diff --git a/data/web/corefork.telegram.org/api/layers.html b/data/web/corefork.telegram.org/api/layers.html
index 849c279ed3..f2ea8af261 100644
--- a/data/web/corefork.telegram.org/api/layers.html
+++ b/data/web/corefork.telegram.org/api/layers.html
@@ -337,7 +337,7 @@
 <h5><a class="anchor" href="#new-constructors" id="new-constructors" name="new-constructors"><i class="anchor-icon"></i></a>New Constructors</h5>
 <ul>
 <li>Added <a href="/constructor/defaultHistoryTTL">defaultHistoryTTL</a> - Contains info about the default value of the Time-To-Live setting, applied to all new chats.</li>
-<li>Added <a href="/constructor/auth.codeTypeFragmentSms">auth.codeTypeFragmentSms</a> - </li>
+<li>Added <a href="/constructor/auth.codeTypeFragmentSms">auth.codeTypeFragmentSms</a> - The next time, the authentication code will be delivered via <a href="https://fragment.com">fragment.com</a></li>
 <li>Added <a href="/constructor/auth.sentCodeTypeFragmentSms">auth.sentCodeTypeFragmentSms</a> - </li>
 <li>Added <a href="/constructor/exportedContactToken">exportedContactToken</a> - Describes a <a href="/api/links#temporary-profile-links">temporary profile link</a>.</li>
 <li>Added <a href="/constructor/channelAdminLogEventActionToggleAntiSpam">channelAdminLogEventActionToggleAntiSpam</a> - </li>
@@ -378,7 +378,7 @@
 </ul>
 <h5><a class="anchor" href="#new-constructors" id="new-constructors" name="new-constructors"><i class="anchor-icon"></i></a>New Constructors</h5>
 <ul>
-<li>Added <a href="/constructor/updateChannelPinnedTopics">updateChannelPinnedTopics</a> - </li>
+<li>Added <a href="/constructor/updateChannelPinnedTopics">updateChannelPinnedTopics</a> - The <a href="/api/forum#forum-topics">pinned topics</a> of a forum have changed.</li>
 </ul>
 <h5><a class="anchor" href="#changed-constructors" id="changed-constructors" name="changed-constructors"><i class="anchor-icon"></i></a>Changed Constructors</h5>
 <ul>
@@ -429,23 +429,23 @@
 </ul>
 <h5><a class="anchor" href="#new-constructors" id="new-constructors" name="new-constructors"><i class="anchor-icon"></i></a>New Constructors</h5>
 <ul>
-<li>Added <a href="/constructor/username">username</a> - </li>
-<li>Added <a href="/constructor/channelAdminLogEventActionChangeUsernames">channelAdminLogEventActionChangeUsernames</a> - </li>
-<li>Added <a href="/constructor/channelAdminLogEventActionToggleForum">channelAdminLogEventActionToggleForum</a> - </li>
-<li>Added <a href="/constructor/channelAdminLogEventActionCreateTopic">channelAdminLogEventActionCreateTopic</a> - </li>
-<li>Added <a href="/constructor/channelAdminLogEventActionEditTopic">channelAdminLogEventActionEditTopic</a> - </li>
-<li>Added <a href="/constructor/channelAdminLogEventActionDeleteTopic">channelAdminLogEventActionDeleteTopic</a> - </li>
-<li>Added <a href="/constructor/channelAdminLogEventActionPinTopic">channelAdminLogEventActionPinTopic</a> - </li>
-<li>Added <a href="/constructor/forumTopicDeleted">forumTopicDeleted</a> - </li>
+<li>Added <a href="/constructor/username">username</a> - Contains information about a username.</li>
+<li>Added <a href="/constructor/channelAdminLogEventActionChangeUsernames">channelAdminLogEventActionChangeUsernames</a> - The list of usernames associated with the channel was changed</li>
+<li>Added <a href="/constructor/channelAdminLogEventActionToggleForum">channelAdminLogEventActionToggleForum</a> - <a href="/api/forum">Forum</a> functionality was enabled or disabled.</li>
+<li>Added <a href="/constructor/channelAdminLogEventActionCreateTopic">channelAdminLogEventActionCreateTopic</a> - A <a href="/api/forum#forum-topics">forum topic</a> was created</li>
+<li>Added <a href="/constructor/channelAdminLogEventActionEditTopic">channelAdminLogEventActionEditTopic</a> - A <a href="/api/forum#forum-topics">forum topic</a> was edited</li>
+<li>Added <a href="/constructor/channelAdminLogEventActionDeleteTopic">channelAdminLogEventActionDeleteTopic</a> - A <a href="/api/forum#forum-topics">forum topic</a> was deleted</li>
+<li>Added <a href="/constructor/channelAdminLogEventActionPinTopic">channelAdminLogEventActionPinTopic</a> - A <a href="/api/forum#forum-topics">forum topic</a> was pinned or unpinned</li>
+<li>Added <a href="/constructor/forumTopicDeleted">forumTopicDeleted</a> - Represents a deleted forum topic.</li>
 <li>Added <a href="/constructor/forumTopic">forumTopic</a> - Represents a <a href="/api/forum#forum-topics">forum topic</a>.</li>
-<li>Added <a href="/constructor/messages.forumTopics">messages.forumTopics</a> - </li>
-<li>Added <a href="/constructor/messageActionTopicCreate">messageActionTopicCreate</a> - </li>
-<li>Added <a href="/constructor/messageActionTopicEdit">messageActionTopicEdit</a> - </li>
-<li>Added <a href="/constructor/updateChannelPinnedTopic">updateChannelPinnedTopic</a> - </li>
-<li>Added <a href="/constructor/inputNotifyForumTopic">inputNotifyForumTopic</a> - </li>
-<li>Added <a href="/constructor/notifyForumTopic">notifyForumTopic</a> - </li>
+<li>Added <a href="/constructor/messages.forumTopics">messages.forumTopics</a> - Contains information about multiple <a href="/api/forum#forum-topics">forum topics</a></li>
+<li>Added <a href="/constructor/messageActionTopicCreate">messageActionTopicCreate</a> - A <a href="/api/forum#forum-topics">forum topic</a> was created.</li>
+<li>Added <a href="/constructor/messageActionTopicEdit">messageActionTopicEdit</a> - <a href="/api/forum#forum-topics">Forum topic</a> information was edited.</li>
+<li>Added <a href="/constructor/updateChannelPinnedTopic">updateChannelPinnedTopic</a> - A <a href="/api/forum#forum-topics">forum topic »</a> was pinned or unpinned.</li>
+<li>Added <a href="/constructor/inputNotifyForumTopic">inputNotifyForumTopic</a> - Notifications generated by a <a href="/api/forum#forum-topics">topic</a> in a <a href="/api/forum">forum</a>.</li>
+<li>Added <a href="/constructor/notifyForumTopic">notifyForumTopic</a> - Notifications generated by a <a href="/api/forum#forum-topics">topic</a> in a <a href="/api/forum">forum</a>.</li>
 <li>Added <a href="/constructor/inputStickerSetEmojiDefaultTopicIcons">inputStickerSetEmojiDefaultTopicIcons</a> - </li>
-<li>Added <a href="/constructor/messages.sponsoredMessagesEmpty">messages.sponsoredMessagesEmpty</a> - </li>
+<li>Added <a href="/constructor/messages.sponsoredMessagesEmpty">messages.sponsoredMessagesEmpty</a> - No sponsored messages are available.</li>
 </ul>
 <h5><a class="anchor" href="#changed-constructors" id="changed-constructors" name="changed-constructors"><i class="anchor-icon"></i></a>Changed Constructors</h5>
 <ul>
diff --git a/data/web/corefork.telegram.org/constructor/auth.codeTypeFragmentSms b/data/web/corefork.telegram.org/constructor/auth.codeTypeFragmentSms
index 98ada29a3c..191280fd2f 100644
--- a/data/web/corefork.telegram.org/constructor/auth.codeTypeFragmentSms
+++ b/data/web/corefork.telegram.org/constructor/auth.codeTypeFragmentSms
@@ -4,16 +4,10 @@
     <meta charset="utf-8">
     <title>auth.codeTypeFragmentSms</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-This constructor does not require any parameters.
-Type
-auth.CodeType">
+    <meta property="description" content="The next time, the authentication code will be delivered via fragment.com">
     <meta property="og:title" content="auth.codeTypeFragmentSms">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-This constructor does not require any parameters.
-Type
-auth.CodeType">
+    <meta property="og:description" content="The next time, the authentication code will be delivered via fragment.com">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -48,7 +42,8 @@ auth.CodeType">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/auth.codeTypeFragmentSms" >auth.codeTypeFragmentSms</a></li></ul></div>
   <h1 id="dev_page_title">auth.codeTypeFragmentSms</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>The next time, the authentication code will be delivered via <a href="https://fragment.com">fragment.com</a></p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
diff --git a/data/web/corefork.telegram.org/constructor/channel.html b/data/web/corefork.telegram.org/constructor/channel.html
index 9837a2cfa0..c65dbec784 100644
--- a/data/web/corefork.telegram.org/constructor/channel.html
+++ b/data/web/corefork.telegram.org/constructor/channel.html
@@ -169,12 +169,12 @@
 <tr>
 <td><strong>forum</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.30?<a href="/constructor/true">true</a></td>
-<td> </td>
+<td>Whether this supergroup is a <a href="/api/forum">forum</a></td>
 </tr>
 <tr>
 <td><strong>flags2</strong></td>
 <td style="text-align: center;"><a href="/type/%23">#</a></td>
-<td> </td>
+<td>Flags, see <a href="/mtproto/TL-combinators#conditional-fields">TL conditional fields</a></td>
 </tr>
 <tr>
 <td><strong>id</strong></td>
@@ -234,7 +234,7 @@
 <tr>
 <td><strong>usernames</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags2</a>.0?<a href="/type/Vector%20t">Vector</a>&lt;<a href="/type/Username">Username</a>&gt;</td>
-<td> </td>
+<td>Additional usernames</td>
 </tr>
 </tbody>
 </table>
@@ -253,6 +253,8 @@
 <p>Chats and channels may have a public username or a private invite link: private invite links may be further enhanced with per-user join requests.</p>
 <h4><a class="anchor" href="#channelstogglejoinrequest" id="channelstogglejoinrequest" name="channelstogglejoinrequest"><i class="anchor-icon"></i></a><a href="/method/channels.toggleJoinRequest">channels.toggleJoinRequest</a></h4>
 <p>Set whether all users should <a href="/api/invites#join-requests">request admin approval to join the group »</a>.</p>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p>
 <h4><a class="anchor" href="#admin-banned-default-rights" id="admin-banned-default-rights" name="admin-banned-default-rights"><i class="anchor-icon"></i></a><a href="/api/rights">Admin, banned, default rights</a></h4>
 <p>How to handle admin permissions, granular bans and global permissions in channels, groups and supergroups.</p></div>
   
diff --git a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionCreateTopic.html b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionCreateTopic.html
index 47b2cea763..7e0d5e250e 100644
--- a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionCreateTopic.html
+++ b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionCreateTopic.html
@@ -4,26 +4,10 @@
     <meta charset="utf-8">
     <title>channelAdminLogEventActionCreateTopic</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-topic
-ForumTopic
- 
-Type
-ChannelAdminLogEventAction">
+    <meta property="description" content="A forum topic was created">
     <meta property="og:title" content="channelAdminLogEventActionCreateTopic">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-topic
-ForumTopic
- 
-Type
-ChannelAdminLogEventAction">
+    <meta property="og:description" content="A forum topic was created">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -58,7 +42,8 @@ ChannelAdminLogEventAction">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/channelAdminLogEventActionCreateTopic" >channelAdminLogEventActionCreateTopic</a></li></ul></div>
   <h1 id="dev_page_title">channelAdminLogEventActionCreateTopic</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>A <a href="/api/forum#forum-topics">forum topic</a> was created</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -84,12 +69,15 @@ ChannelAdminLogEventAction">
 <tr>
 <td><strong>topic</strong></td>
 <td style="text-align: center;"><a href="/type/ForumTopic">ForumTopic</a></td>
-<td> </td>
+<td>The <a href="/api/forum#forum-topics">forum topic</a> that was created</td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/ChannelAdminLogEventAction">ChannelAdminLogEventAction</a></p></div>
+<p><a href="/type/ChannelAdminLogEventAction">ChannelAdminLogEventAction</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionEditTopic.html b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionEditTopic.html
index 17596d51a5..0a80c9f188 100644
--- a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionEditTopic.html
+++ b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionEditTopic.html
@@ -4,32 +4,10 @@
     <meta charset="utf-8">
     <title>channelAdminLogEventActionEditTopic</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-prev_topic
-ForumTopic
- 
-new_topic
-ForumTopic
- 
-Type
-ChannelAdminLogEventAction">
+    <meta property="description" content="A forum topic was edited">
     <meta property="og:title" content="channelAdminLogEventActionEditTopic">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-prev_topic
-ForumTopic
- 
-new_topic
-ForumTopic
- 
-Type
-ChannelAdminLogEventAction">
+    <meta property="og:description" content="A forum topic was edited">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -64,7 +42,8 @@ ChannelAdminLogEventAction">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/channelAdminLogEventActionEditTopic" >channelAdminLogEventActionEditTopic</a></li></ul></div>
   <h1 id="dev_page_title">channelAdminLogEventActionEditTopic</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>A <a href="/api/forum#forum-topics">forum topic</a> was edited</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -90,17 +69,20 @@ ChannelAdminLogEventAction">
 <tr>
 <td><strong>prev_topic</strong></td>
 <td style="text-align: center;"><a href="/type/ForumTopic">ForumTopic</a></td>
-<td> </td>
+<td>Previous topic information</td>
 </tr>
 <tr>
 <td><strong>new_topic</strong></td>
 <td style="text-align: center;"><a href="/type/ForumTopic">ForumTopic</a></td>
-<td> </td>
+<td>New topic information</td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/ChannelAdminLogEventAction">ChannelAdminLogEventAction</a></p></div>
+<p><a href="/type/ChannelAdminLogEventAction">ChannelAdminLogEventAction</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionPinTopic.html b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionPinTopic.html
index 06af1d04eb..04c64aa8ef 100644
--- a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionPinTopic.html
+++ b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionPinTopic.html
@@ -4,32 +4,10 @@
     <meta charset="utf-8">
     <title>channelAdminLogEventActionPinTopic</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-prev_topic
-flags.0?ForumTopic
- 
-new_topic
-fl…">
+    <meta property="description" content="A forum topic was pinned or unpinned">
     <meta property="og:title" content="channelAdminLogEventActionPinTopic">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-prev_topic
-flags.0?ForumTopic
- 
-new_topic
-fl…">
+    <meta property="og:description" content="A forum topic was pinned or unpinned">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -64,7 +42,8 @@ fl…">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/channelAdminLogEventActionPinTopic" >channelAdminLogEventActionPinTopic</a></li></ul></div>
   <h1 id="dev_page_title">channelAdminLogEventActionPinTopic</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>A <a href="/api/forum#forum-topics">forum topic</a> was pinned or unpinned</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -95,17 +74,20 @@ fl…">
 <tr>
 <td><strong>prev_topic</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.0?<a href="/type/ForumTopic">ForumTopic</a></td>
-<td> </td>
+<td>Previous topic information</td>
 </tr>
 <tr>
 <td><strong>new_topic</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.1?<a href="/type/ForumTopic">ForumTopic</a></td>
-<td> </td>
+<td>New topic information</td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/ChannelAdminLogEventAction">ChannelAdminLogEventAction</a></p></div>
+<p><a href="/type/ChannelAdminLogEventAction">ChannelAdminLogEventAction</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionToggleForum.html b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionToggleForum.html
index ff72ae8a54..332084cb8e 100644
--- a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionToggleForum.html
+++ b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionToggleForum.html
@@ -4,26 +4,10 @@
     <meta charset="utf-8">
     <title>channelAdminLogEventActionToggleForum</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-new_value
-Bool
- 
-Type
-ChannelAdminLogEventAction">
+    <meta property="description" content="Forum functionality was enabled or disabled.">
     <meta property="og:title" content="channelAdminLogEventActionToggleForum">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-new_value
-Bool
- 
-Type
-ChannelAdminLogEventAction">
+    <meta property="og:description" content="Forum functionality was enabled or disabled.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -58,7 +42,8 @@ ChannelAdminLogEventAction">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/channelAdminLogEventActionToggleForum" >channelAdminLogEventActionToggleForum</a></li></ul></div>
   <h1 id="dev_page_title">channelAdminLogEventActionToggleForum</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p><a href="/api/forum">Forum</a> functionality was enabled or disabled.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -84,12 +69,15 @@ ChannelAdminLogEventAction">
 <tr>
 <td><strong>new_value</strong></td>
 <td style="text-align: center;"><a href="/type/Bool">Bool</a></td>
-<td> </td>
+<td>Whether <a href="/api/forum">forum</a> functionality was enabled or disabled.</td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/ChannelAdminLogEventAction">ChannelAdminLogEventAction</a></p></div>
+<p><a href="/type/ChannelAdminLogEventAction">ChannelAdminLogEventAction</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/channelAdminLogEventsFilter.html b/data/web/corefork.telegram.org/constructor/channelAdminLogEventsFilter.html
index ce3a84c498..480de20827 100644
--- a/data/web/corefork.telegram.org/constructor/channelAdminLogEventsFilter.html
+++ b/data/web/corefork.telegram.org/constructor/channelAdminLogEventsFilter.html
@@ -159,7 +159,7 @@
 <tr>
 <td><strong>forums</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.17?<a href="/constructor/true">true</a></td>
-<td> </td>
+<td><a href="/api/forum#forum">Forum</a>-related events</td>
 </tr>
 </tbody>
 </table>
@@ -203,7 +203,9 @@
 <h4><a class="anchor" href="#channeladminlogeventactioneditmessage" id="channeladminlogeventactioneditmessage" name="channeladminlogeventactioneditmessage"><i class="anchor-icon"></i></a><a href="/constructor/channelAdminLogEventActionEditMessage">channelAdminLogEventActionEditMessage</a></h4>
 <p>A message was edited</p>
 <h4><a class="anchor" href="#channeladminlogeventactiondeletemessage" id="channeladminlogeventactiondeletemessage" name="channeladminlogeventactiondeletemessage"><i class="anchor-icon"></i></a><a href="/constructor/channelAdminLogEventActionDeleteMessage">channelAdminLogEventActionDeleteMessage</a></h4>
-<p>A message was deleted</p></div>
+<p>A message was deleted</p>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/forumTopicDeleted.html b/data/web/corefork.telegram.org/constructor/forumTopicDeleted.html
index c9008ab09b..3b8bacf477 100644
--- a/data/web/corefork.telegram.org/constructor/forumTopicDeleted.html
+++ b/data/web/corefork.telegram.org/constructor/forumTopicDeleted.html
@@ -4,26 +4,10 @@
     <meta charset="utf-8">
     <title>forumTopicDeleted</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-id
-int
- 
-Type
-ForumTopic">
+    <meta property="description" content="Represents a deleted forum topic.">
     <meta property="og:title" content="forumTopicDeleted">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-id
-int
- 
-Type
-ForumTopic">
+    <meta property="og:description" content="Represents a deleted forum topic.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -58,7 +42,8 @@ ForumTopic">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/forumTopicDeleted" >forumTopicDeleted</a></li></ul></div>
   <h1 id="dev_page_title">forumTopicDeleted</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>Represents a deleted forum topic.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -84,7 +69,7 @@ ForumTopic">
 <tr>
 <td><strong>id</strong></td>
 <td style="text-align: center;"><a href="/type/int">int</a></td>
-<td> </td>
+<td>The ID of the deleted forum topic.</td>
 </tr>
 </tbody>
 </table>
diff --git a/data/web/corefork.telegram.org/constructor/inputNotifyForumTopic.html b/data/web/corefork.telegram.org/constructor/inputNotifyForumTopic.html
index d63d218378..2cd70603a7 100644
--- a/data/web/corefork.telegram.org/constructor/inputNotifyForumTopic.html
+++ b/data/web/corefork.telegram.org/constructor/inputNotifyForumTopic.html
@@ -4,32 +4,10 @@
     <meta charset="utf-8">
     <title>inputNotifyForumTopic</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-peer
-InputPeer
- 
-top_msg_id
-int
- 
-Type
-InputNotifyPeer">
+    <meta property="description" content="Notifications generated by a topic in a forum.">
     <meta property="og:title" content="inputNotifyForumTopic">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-peer
-InputPeer
- 
-top_msg_id
-int
- 
-Type
-InputNotifyPeer">
+    <meta property="og:description" content="Notifications generated by a topic in a forum.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -64,7 +42,8 @@ InputNotifyPeer">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/inputNotifyForumTopic" >inputNotifyForumTopic</a></li></ul></div>
   <h1 id="dev_page_title">inputNotifyForumTopic</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>Notifications generated by a <a href="/api/forum#forum-topics">topic</a> in a <a href="/api/forum">forum</a>.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -90,17 +69,20 @@ InputNotifyPeer">
 <tr>
 <td><strong>peer</strong></td>
 <td style="text-align: center;"><a href="/type/InputPeer">InputPeer</a></td>
-<td> </td>
+<td>Forum ID</td>
 </tr>
 <tr>
 <td><strong>top_msg_id</strong></td>
 <td style="text-align: center;"><a href="/type/int">int</a></td>
-<td> </td>
+<td><a href="/api/forum#forum-topics">Topic ID</a></td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/InputNotifyPeer">InputNotifyPeer</a></p></div>
+<p><a href="/type/InputNotifyPeer">InputNotifyPeer</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/messageActionTopicCreate.html b/data/web/corefork.telegram.org/constructor/messageActionTopicCreate.html
index 5094391e17..41891a91fc 100644
--- a/data/web/corefork.telegram.org/constructor/messageActionTopicCreate.html
+++ b/data/web/corefork.telegram.org/constructor/messageActionTopicCreate.html
@@ -4,34 +4,10 @@
     <meta charset="utf-8">
     <title>messageActionTopicCreate</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-title
-string
-Topic name.
-icon_color
-int
-If no…">
+    <meta property="description" content="A forum topic was created.">
     <meta property="og:title" content="messageActionTopicCreate">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-title
-string
-Topic name.
-icon_color
-int
-If no…">
+    <meta property="og:description" content="A forum topic was created.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -66,7 +42,8 @@ If no…">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/messageActionTopicCreate" >messageActionTopicCreate</a></li></ul></div>
   <h1 id="dev_page_title">messageActionTopicCreate</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>A <a href="/api/forum#forum-topics">forum topic</a> was created.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -115,7 +92,9 @@ If no…">
 <p><a href="/type/MessageAction">MessageAction</a></p>
 <h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
 <h4><a class="anchor" href="#custom-emojis" id="custom-emojis" name="custom-emojis"><i class="anchor-icon"></i></a><a href="/api/custom-emoji">Custom emojis</a></h4>
-<p>Telegram allows including animated and static custom emojis inside of messages.</p></div>
+<p>Telegram allows including animated and static custom emojis inside of messages.</p>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/messageActionTopicEdit.html b/data/web/corefork.telegram.org/constructor/messageActionTopicEdit.html
index 5d5480bddf..6c8cafcc26 100644
--- a/data/web/corefork.telegram.org/constructor/messageActionTopicEdit.html
+++ b/data/web/corefork.telegram.org/constructor/messageActionTopicEdit.html
@@ -4,32 +4,10 @@
     <meta charset="utf-8">
     <title>messageActionTopicEdit</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-title
-flags.0?string
- 
-icon_emoji_id
-flags.1?long…">
+    <meta property="description" content="Forum topic information was edited.">
     <meta property="og:title" content="messageActionTopicEdit">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-title
-flags.0?string
- 
-icon_emoji_id
-flags.1?long…">
+    <meta property="og:description" content="Forum topic information was edited.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -64,7 +42,8 @@ flags.1?long…">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/messageActionTopicEdit" >messageActionTopicEdit</a></li></ul></div>
   <h1 id="dev_page_title">messageActionTopicEdit</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p><a href="/api/forum#forum-topics">Forum topic</a> information was edited.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -95,27 +74,32 @@ flags.1?long…">
 <tr>
 <td><strong>title</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.0?<a href="/type/string">string</a></td>
-<td> </td>
+<td>Topic title.</td>
 </tr>
 <tr>
 <td><strong>icon_emoji_id</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.1?<a href="/type/long">long</a></td>
-<td> </td>
+<td>ID of the <a href="/api/custom-emoji">custom emoji</a> used as topic icon.</td>
 </tr>
 <tr>
 <td><strong>closed</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.2?<a href="/type/Bool">Bool</a></td>
-<td> </td>
+<td>Whether the topic was closed.</td>
 </tr>
 <tr>
 <td><strong>hidden</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.3?<a href="/type/Bool">Bool</a></td>
-<td> </td>
+<td>Whether the topic was hidden.</td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/MessageAction">MessageAction</a></p></div>
+<p><a href="/type/MessageAction">MessageAction</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#custom-emojis" id="custom-emojis" name="custom-emojis"><i class="anchor-icon"></i></a><a href="/api/custom-emoji">Custom emojis</a></h4>
+<p>Telegram allows including animated and static custom emojis inside of messages.</p>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/messages.forumTopics b/data/web/corefork.telegram.org/constructor/messages.forumTopics
index c2887b18a5..e92f8f8a70 100644
--- a/data/web/corefork.telegram.org/constructor/messages.forumTopics
+++ b/data/web/corefork.telegram.org/constructor/messages.forumTopics
@@ -4,32 +4,10 @@
     <meta charset="utf-8">
     <title>messages.forumTopics</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-order_by_create_date
-flags.0?true
- 
-count
-int…">
+    <meta property="description" content="Contains information about multiple forum topics">
     <meta property="og:title" content="messages.forumTopics">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-order_by_create_date
-flags.0?true
- 
-count
-int…">
+    <meta property="og:description" content="Contains information about multiple forum topics">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -64,7 +42,8 @@ int…">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/messages.forumTopics" >messages.forumTopics</a></li></ul></div>
   <h1 id="dev_page_title">messages.forumTopics</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>Contains information about multiple <a href="/api/forum#forum-topics">forum topics</a></p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -130,7 +109,10 @@ int…">
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/messages.ForumTopics">messages.ForumTopics</a></p></div>
+<p><a href="/type/messages.ForumTopics">messages.ForumTopics</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/messages.sponsoredMessagesEmpty b/data/web/corefork.telegram.org/constructor/messages.sponsoredMessagesEmpty
index fa11a07f4c..10bc400e13 100644
--- a/data/web/corefork.telegram.org/constructor/messages.sponsoredMessagesEmpty
+++ b/data/web/corefork.telegram.org/constructor/messages.sponsoredMessagesEmpty
@@ -4,16 +4,10 @@
     <meta charset="utf-8">
     <title>messages.sponsoredMessagesEmpty</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-This constructor does not require any parameters.
-Type
-messages.SponsoredMessages">
+    <meta property="description" content="No sponsored messages are available.">
     <meta property="og:title" content="messages.sponsoredMessagesEmpty">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-This constructor does not require any parameters.
-Type
-messages.SponsoredMessages">
+    <meta property="og:description" content="No sponsored messages are available.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -48,7 +42,8 @@ messages.SponsoredMessages">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/messages.sponsoredMessagesEmpty" >messages.sponsoredMessagesEmpty</a></li></ul></div>
   <h1 id="dev_page_title">messages.sponsoredMessagesEmpty</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>No sponsored messages are available.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
diff --git a/data/web/corefork.telegram.org/constructor/notifyForumTopic.html b/data/web/corefork.telegram.org/constructor/notifyForumTopic.html
index b90a610a7f..53b924e876 100644
--- a/data/web/corefork.telegram.org/constructor/notifyForumTopic.html
+++ b/data/web/corefork.telegram.org/constructor/notifyForumTopic.html
@@ -4,32 +4,10 @@
     <meta charset="utf-8">
     <title>notifyForumTopic</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-peer
-Peer
- 
-top_msg_id
-int
- 
-Type
-NotifyPeer">
+    <meta property="description" content="Notifications generated by a topic in a forum.">
     <meta property="og:title" content="notifyForumTopic">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-peer
-Peer
- 
-top_msg_id
-int
- 
-Type
-NotifyPeer">
+    <meta property="og:description" content="Notifications generated by a topic in a forum.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -64,7 +42,8 @@ NotifyPeer">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/notifyForumTopic" >notifyForumTopic</a></li></ul></div>
   <h1 id="dev_page_title">notifyForumTopic</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>Notifications generated by a <a href="/api/forum#forum-topics">topic</a> in a <a href="/api/forum">forum</a>.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -90,17 +69,20 @@ NotifyPeer">
 <tr>
 <td><strong>peer</strong></td>
 <td style="text-align: center;"><a href="/type/Peer">Peer</a></td>
-<td> </td>
+<td>Forum ID</td>
 </tr>
 <tr>
 <td><strong>top_msg_id</strong></td>
 <td style="text-align: center;"><a href="/type/int">int</a></td>
-<td> </td>
+<td><a href="/api/forum#forum-topics">Topic ID</a></td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/NotifyPeer">NotifyPeer</a></p></div>
+<p><a href="/type/NotifyPeer">NotifyPeer</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/updateChannelPinnedTopic.html b/data/web/corefork.telegram.org/constructor/updateChannelPinnedTopic.html
index b16199729c..c430803298 100644
--- a/data/web/corefork.telegram.org/constructor/updateChannelPinnedTopic.html
+++ b/data/web/corefork.telegram.org/constructor/updateChannelPinnedTopic.html
@@ -4,36 +4,10 @@
     <meta charset="utf-8">
     <title>updateChannelPinnedTopic</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-pinned
-flags.0?true
- 
-channel_id
-long
- 
-topic_id…">
+    <meta property="description" content="A forum topic » was pinned or unpinned.">
     <meta property="og:title" content="updateChannelPinnedTopic">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-pinned
-flags.0?true
- 
-channel_id
-long
- 
-topic_id…">
+    <meta property="og:description" content="A forum topic » was pinned or unpinned.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -68,7 +42,8 @@ topic_id…">
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/updateChannelPinnedTopic" >updateChannelPinnedTopic</a></li></ul></div>
   <h1 id="dev_page_title">updateChannelPinnedTopic</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>A <a href="/api/forum#forum-topics">forum topic »</a> was pinned or unpinned.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -99,22 +74,25 @@ topic_id…">
 <tr>
 <td><strong>pinned</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.0?<a href="/constructor/true">true</a></td>
-<td> </td>
+<td>Whether the topic was pinned or unpinned</td>
 </tr>
 <tr>
 <td><strong>channel_id</strong></td>
 <td style="text-align: center;"><a href="/type/long">long</a></td>
-<td> </td>
+<td>The forum ID</td>
 </tr>
 <tr>
 <td><strong>topic_id</strong></td>
 <td style="text-align: center;"><a href="/type/int">int</a></td>
-<td> </td>
+<td>The topic ID</td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/Update">Update</a></p></div>
+<p><a href="/type/Update">Update</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/updateChannelPinnedTopics.html b/data/web/corefork.telegram.org/constructor/updateChannelPinnedTopics.html
index 8f232edee5..79f87c1984 100644
--- a/data/web/corefork.telegram.org/constructor/updateChannelPinnedTopics.html
+++ b/data/web/corefork.telegram.org/constructor/updateChannelPinnedTopics.html
@@ -4,34 +4,10 @@
     <meta charset="utf-8">
     <title>updateChannelPinnedTopics</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-channel_id
-long
- 
-order
-flags.0?Vector&lt;int&gt;
- …">
+    <meta property="description" content="The pinned topics of a forum have changed.">
     <meta property="og:title" content="updateChannelPinnedTopics">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-channel_id
-long
- 
-order
-flags.0?Vector&lt;int&gt;
- …">
+    <meta property="og:description" content="The pinned topics of a forum have changed.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -66,7 +42,8 @@ flags.0?Vector&lt;int&gt;
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/updateChannelPinnedTopics" >updateChannelPinnedTopics</a></li></ul></div>
   <h1 id="dev_page_title">updateChannelPinnedTopics</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>The <a href="/api/forum#forum-topics">pinned topics</a> of a forum have changed.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -97,17 +74,20 @@ flags.0?Vector&lt;int&gt;
 <tr>
 <td><strong>channel_id</strong></td>
 <td style="text-align: center;"><a href="/type/long">long</a></td>
-<td> </td>
+<td>Forum ID.</td>
 </tr>
 <tr>
 <td><strong>order</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.0?<a href="/type/Vector%20t">Vector</a>&lt;<a href="/type/int">int</a>&gt;</td>
-<td> </td>
+<td>Ordered list containing the IDs of all pinned topics.</td>
 </tr>
 </tbody>
 </table>
 <h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
-<p><a href="/type/Update">Update</a></p></div>
+<p><a href="/type/Update">Update</a></p>
+<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
+<h4><a class="anchor" href="#forums" id="forums" name="forums"><i class="anchor-icon"></i></a><a href="/api/forum">Forums</a></h4>
+<p>Telegram allows creating forums with multiple distinct topics.</p></div>
   
 </div>
           
diff --git a/data/web/corefork.telegram.org/constructor/username.html b/data/web/corefork.telegram.org/constructor/username.html
index 2d18ecab38..69145e4310 100644
--- a/data/web/corefork.telegram.org/constructor/username.html
+++ b/data/web/corefork.telegram.org/constructor/username.html
@@ -4,34 +4,10 @@
     <meta charset="utf-8">
     <title>username</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-editable
-flags.0?true
- 
-active
-flags.1?true
- …">
+    <meta property="description" content="Contains information about a username.">
     <meta property="og:title" content="username">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-flags
-#
-Flags, see TL conditional fields
-editable
-flags.0?true
- 
-active
-flags.1?true
- …">
+    <meta property="og:description" content="Contains information about a username.">
     <link rel="icon" type="image/svg+xml" href="/img/website_icon.svg?4">
 <link rel="apple-touch-icon" sizes="180x180" href="/img/apple-touch-icon.png">
 <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon-32x32.png">
@@ -66,7 +42,8 @@ flags.1?true
   <div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a  href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/constructor/username" >username</a></li></ul></div>
   <h1 id="dev_page_title">username</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>Contains information about a username.</p>
+<p><div class="clearfix">
   <ul class="dev_layer_select slightly-pull-right nav nav-pills">
     <li class="dropdown">
       <a class="dropdown-toggle"  onclick="return dropdownClick(this, event)" href="#">Layer 155 <b class="caret"></b></a>
@@ -97,17 +74,17 @@ flags.1?true
 <tr>
 <td><strong>editable</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.0?<a href="/constructor/true">true</a></td>
-<td> </td>
+<td>Whether the username is editable, meaning it wasn't bought on <a href="https://fragment.com">fragment</a>.</td>
 </tr>
 <tr>
 <td><strong>active</strong></td>
 <td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.1?<a href="/constructor/true">true</a></td>
-<td> </td>
+<td>Whether the username is active.</td>
 </tr>
 <tr>
 <td><strong>username</strong></td>
 <td style="text-align: center;"><a href="/type/string">string</a></td>
-<td> </td>
+<td>The username.</td>
 </tr>
 </tbody>
 </table>
diff --git a/data/web/corefork.telegram.org/type/ChannelAdminLogEventAction.html b/data/web/corefork.telegram.org/type/ChannelAdminLogEventAction.html
index 035a60351b..b3d13032d1 100644
--- a/data/web/corefork.telegram.org/type/ChannelAdminLogEventAction.html
+++ b/data/web/corefork.telegram.org/type/ChannelAdminLogEventAction.html
@@ -253,27 +253,27 @@
 </tr>
 <tr>
 <td><a href="/constructor/channelAdminLogEventActionChangeUsernames">channelAdminLogEventActionChangeUsernames</a></td>
-<td> </td>
+<td>The list of usernames associated with the channel was changed</td>
 </tr>
 <tr>
 <td><a href="/constructor/channelAdminLogEventActionToggleForum">channelAdminLogEventActionToggleForum</a></td>
-<td> </td>
+<td><a href="/api/forum">Forum</a> functionality was enabled or disabled.</td>
 </tr>
 <tr>
 <td><a href="/constructor/channelAdminLogEventActionCreateTopic">channelAdminLogEventActionCreateTopic</a></td>
-<td> </td>
+<td>A <a href="/api/forum#forum-topics">forum topic</a> was created</td>
 </tr>
 <tr>
 <td><a href="/constructor/channelAdminLogEventActionEditTopic">channelAdminLogEventActionEditTopic</a></td>
-<td> </td>
+<td>A <a href="/api/forum#forum-topics">forum topic</a> was edited</td>
 </tr>
 <tr>
 <td><a href="/constructor/channelAdminLogEventActionDeleteTopic">channelAdminLogEventActionDeleteTopic</a></td>
-<td> </td>
+<td>A <a href="/api/forum#forum-topics">forum topic</a> was deleted</td>
 </tr>
 <tr>
 <td><a href="/constructor/channelAdminLogEventActionPinTopic">channelAdminLogEventActionPinTopic</a></td>
-<td> </td>
+<td>A <a href="/api/forum#forum-topics">forum topic</a> was pinned or unpinned</td>
 </tr>
 <tr>
 <td><a href="/constructor/channelAdminLogEventActionToggleAntiSpam">channelAdminLogEventActionToggleAntiSpam</a></td>
diff --git a/data/web/corefork.telegram.org/type/ForumTopic.html b/data/web/corefork.telegram.org/type/ForumTopic.html
index 167303ca94..7c44b0b8a8 100644
--- a/data/web/corefork.telegram.org/type/ForumTopic.html
+++ b/data/web/corefork.telegram.org/type/ForumTopic.html
@@ -68,7 +68,7 @@
 <tbody>
 <tr>
 <td><a href="/constructor/forumTopicDeleted">forumTopicDeleted</a></td>
-<td> </td>
+<td>Represents a deleted forum topic.</td>
 </tr>
 <tr>
 <td><a href="/constructor/forumTopic">forumTopic</a></td>
diff --git a/data/web/corefork.telegram.org/type/MessageAction.html b/data/web/corefork.telegram.org/type/MessageAction.html
index 5c05a73aae..b9fdba49e4 100644
--- a/data/web/corefork.telegram.org/type/MessageAction.html
+++ b/data/web/corefork.telegram.org/type/MessageAction.html
@@ -235,11 +235,11 @@
 </tr>
 <tr>
 <td><a href="/constructor/messageActionTopicCreate">messageActionTopicCreate</a></td>
-<td> </td>
+<td>A <a href="/api/forum#forum-topics">forum topic</a> was created.</td>
 </tr>
 <tr>
 <td><a href="/constructor/messageActionTopicEdit">messageActionTopicEdit</a></td>
-<td> </td>
+<td><a href="/api/forum#forum-topics">Forum topic</a> information was edited.</td>
 </tr>
 <tr>
 <td><a href="/constructor/messageActionSuggestProfilePhoto">messageActionSuggestProfilePhoto</a></td>
diff --git a/data/web/corefork.telegram.org/type/NotifyPeer.html b/data/web/corefork.telegram.org/type/NotifyPeer.html
index 6925aac675..5ac2bcd1d6 100644
--- a/data/web/corefork.telegram.org/type/NotifyPeer.html
+++ b/data/web/corefork.telegram.org/type/NotifyPeer.html
@@ -87,7 +87,7 @@
 </tr>
 <tr>
 <td><a href="/constructor/notifyForumTopic">notifyForumTopic</a></td>
-<td> </td>
+<td>Notifications generated by a <a href="/api/forum#forum-topics">topic</a> in a <a href="/api/forum">forum</a>.</td>
 </tr>
 </tbody>
 </table></div>
diff --git a/data/web/corefork.telegram.org/type/Update.html b/data/web/corefork.telegram.org/type/Update.html
index 9c71998850..11f028552a 100644
--- a/data/web/corefork.telegram.org/type/Update.html
+++ b/data/web/corefork.telegram.org/type/Update.html
@@ -601,11 +601,11 @@
 </tr>
 <tr>
 <td><a href="/constructor/updateChannelPinnedTopic">updateChannelPinnedTopic</a></td>
-<td> </td>
+<td>A <a href="/api/forum#forum-topics">forum topic »</a> was pinned or unpinned.</td>
 </tr>
 <tr>
 <td><a href="/constructor/updateChannelPinnedTopics">updateChannelPinnedTopics</a></td>
-<td> </td>
+<td>The <a href="/api/forum#forum-topics">pinned topics</a> of a forum have changed.</td>
 </tr>
 <tr>
 <td><a href="/constructor/updateUser">updateUser</a></td>
diff --git a/data/web/corefork.telegram.org/type/Username.html b/data/web/corefork.telegram.org/type/Username.html
index 011ae78491..1383993d0c 100644
--- a/data/web/corefork.telegram.org/type/Username.html
+++ b/data/web/corefork.telegram.org/type/Username.html
@@ -67,7 +67,7 @@
 <tbody>
 <tr>
 <td><a href="/constructor/username">username</a></td>
-<td> </td>
+<td>Contains information about a username.</td>
 </tr>
 </tbody>
 </table></div>
diff --git a/data/web/corefork.telegram.org/type/auth.CodeType b/data/web/corefork.telegram.org/type/auth.CodeType
index 8ee72125eb..279a923b36 100644
--- a/data/web/corefork.telegram.org/type/auth.CodeType
+++ b/data/web/corefork.telegram.org/type/auth.CodeType
@@ -87,7 +87,7 @@
 </tr>
 <tr>
 <td><a href="/constructor/auth.codeTypeFragmentSms">auth.codeTypeFragmentSms</a></td>
-<td> </td>
+<td>The next time, the authentication code will be delivered via <a href="https://fragment.com">fragment.com</a></td>
 </tr>
 </tbody>
 </table></div>
diff --git a/data/web/corefork.telegram.org/type/messages.SponsoredMessages b/data/web/corefork.telegram.org/type/messages.SponsoredMessages
index b001afdd1d..5da1c0887d 100644
--- a/data/web/corefork.telegram.org/type/messages.SponsoredMessages
+++ b/data/web/corefork.telegram.org/type/messages.SponsoredMessages
@@ -76,7 +76,7 @@
 </tr>
 <tr>
 <td><a href="/constructor/messages.sponsoredMessagesEmpty">messages.sponsoredMessagesEmpty</a></td>
-<td> </td>
+<td>No sponsored messages are available.</td>
 </tr>
 </tbody>
 </table>