diff --git a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionChangeUsernames.html b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionChangeUsernames.html
index 877a8f915a..5e37b2324f 100644
--- a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionChangeUsernames.html
+++ b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionChangeUsernames.html
@@ -4,32 +4,10 @@
     <meta charset="utf-8">
     <title>channelAdminLogEventActionChangeUsernames</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Parameters
-Name
-Type
-Description
-prev_value
-Vector&lt;string&gt;
- 
-new_value
-Vector&lt;string&gt;
- 
-Type
-ChannelAdminLogEventAction">
+    <meta property="description" content="The list of usernames associated with the channel was changed">
     <meta property="og:title" content="channelAdminLogEventActionChangeUsernames">
     <meta property="og:image" content="">
-    <meta property="og:description" content="Parameters
-Name
-Type
-Description
-prev_value
-Vector&lt;string&gt;
- 
-new_value
-Vector&lt;string&gt;
- 
-Type
-ChannelAdminLogEventAction">
+    <meta property="og:description" content="The list of usernames associated with the channel was 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">
@@ -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/channelAdminLogEventActionChangeUsernames" >channelAdminLogEventActionChangeUsernames</a></li></ul></div>
   <h1 id="dev_page_title">channelAdminLogEventActionChangeUsernames</h1>
   
-  <div id="dev_page_content"><p><div class="clearfix">
+  <div id="dev_page_content"><p>The list of usernames associated with the channel was 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>
@@ -90,12 +69,12 @@ ChannelAdminLogEventAction">
 <tr>
 <td><strong>prev_value</strong></td>
 <td style="text-align: center;"><a href="/type/Vector%20t">Vector</a>&lt;<a href="/type/string">string</a>&gt;</td>
-<td> </td>
+<td>Previous set of usernames</td>
 </tr>
 <tr>
 <td><strong>new_value</strong></td>
 <td style="text-align: center;"><a href="/type/Vector%20t">Vector</a>&lt;<a href="/type/string">string</a>&gt;</td>
-<td> </td>
+<td>New set of usernames</td>
 </tr>
 </tbody>
 </table>
diff --git a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionDeleteTopic.html b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionDeleteTopic.html
index 9c9fbf7bb1..b830e80a57 100644
--- a/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionDeleteTopic.html
+++ b/data/web/corefork.telegram.org/constructor/channelAdminLogEventActionDeleteTopic.html
@@ -4,26 +4,10 @@
     <meta charset="utf-8">
     <title>channelAdminLogEventActionDeleteTopic</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 deleted">
     <meta property="og:title" content="channelAdminLogEventActionDeleteTopic">
     <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 deleted">
     <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/channelAdminLogEventActionDeleteTopic" >channelAdminLogEventActionDeleteTopic</a></li></ul></div>
   <h1 id="dev_page_title">channelAdminLogEventActionDeleteTopic</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 deleted</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 deleted</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/type/InputNotifyPeer.html b/data/web/corefork.telegram.org/type/InputNotifyPeer.html
index 4ea62aec2e..e46b2f5d2f 100644
--- a/data/web/corefork.telegram.org/type/InputNotifyPeer.html
+++ b/data/web/corefork.telegram.org/type/InputNotifyPeer.html
@@ -87,7 +87,7 @@
 </tr>
 <tr>
 <td><a href="/constructor/inputNotifyForumTopic">inputNotifyForumTopic</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/messages.ForumTopics b/data/web/corefork.telegram.org/type/messages.ForumTopics
index 5cb2b8f490..34c049907e 100644
--- a/data/web/corefork.telegram.org/type/messages.ForumTopics
+++ b/data/web/corefork.telegram.org/type/messages.ForumTopics
@@ -72,7 +72,7 @@
 <tbody>
 <tr>
 <td><a href="/constructor/messages.forumTopics">messages.forumTopics</a></td>
-<td> </td>
+<td>Contains information about multiple <a href="/api/forum#forum-topics">forum topics</a></td>
 </tr>
 </tbody>
 </table>