diff --git a/data/web/corefork.telegram.org/api/layers.html b/data/web/corefork.telegram.org/api/layers.html
index 2118b6e975..ab509adf7b 100644
--- a/data/web/corefork.telegram.org/api/layers.html
+++ b/data/web/corefork.telegram.org/api/layers.html
@@ -63,7 +63,7 @@
 <li>Added <a href="/method/chatlists.leaveChatlist">chatlists.leaveChatlist</a> - </li>
 <li>Added <a href="/method/bots.reorderUsernames">bots.reorderUsernames</a> - Reorder usernames associated to a bot we own.</li>
 <li>Added <a href="/method/bots.toggleUsername">bots.toggleUsername</a> - Activate or deactivate a purchased <a href="https://fragment.com">fragment.com</a> username associated to a bot we own.</li>
-<li>Added <a href="/method/messages.setChatWallPaper">messages.setChatWallPaper</a> - </li>
+<li>Added <a href="/method/messages.setChatWallPaper">messages.setChatWallPaper</a> - Set a custom <a href="/api/wallpapers">wallpaper »</a> in a specific private chat with another user.</li>
 </ul>
 <h5><a class="anchor" href="#changed-methods" id="changed-methods" name="changed-methods"><i class="anchor-icon"></i></a>Changed Methods</h5>
 <ul>
@@ -90,7 +90,7 @@
 <li>Added <a href="/constructor/chatlists.chatlistInvite">chatlists.chatlistInvite</a> - </li>
 <li>Added <a href="/constructor/chatlists.chatlistUpdates">chatlists.chatlistUpdates</a> - </li>
 <li>Added <a href="/constructor/messageActionSetChatWallPaper">messageActionSetChatWallPaper</a> - The <a href="/api/wallpapers">wallpaper »</a> of the current chat was changed.</li>
-<li>Added <a href="/constructor/messageActionSetSameChatWallPaper">messageActionSetSameChatWallPaper</a> - </li>
+<li>Added <a href="/constructor/messageActionSetSameChatWallPaper">messageActionSetSameChatWallPaper</a> - The user applied a <a href="/api/wallpapers">wallpaper »</a> previously sent by the other user in a <a href="/constructor/messageActionSetChatWallPaper">messageActionSetChatWallPaper</a> message.</li>
 <li>Added <a href="/constructor/bots.botInfo">bots.botInfo</a> - Localized information about a bot.</li>
 <li>Added <a href="/constructor/inlineQueryPeerTypeBotPM">inlineQueryPeerTypeBotPM</a> - Peer type: private chat with a bot.</li>
 </ul>
diff --git a/data/web/corefork.telegram.org/method/folders.deleteFolder b/data/web/corefork.telegram.org/method/folders.deleteFolder
deleted file mode 100644
index 57b29a0dcd..0000000000
--- a/data/web/corefork.telegram.org/method/folders.deleteFolder
+++ /dev/null
@@ -1,163 +0,0 @@
-<!DOCTYPE html>
-<html class="">
-  <head>
-    <meta charset="utf-8">
-    <title>folders.deleteFolder</title>
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta property="description" content="Delete a peer folder">
-    <meta property="og:title" content="folders.deleteFolder">
-    <meta property="og:image" content="">
-    <meta property="og:description" content="Delete a peer folder">
-    <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">
-<link rel="icon" type="image/png" sizes="16x16" href="/img/favicon-16x16.png">
-<link rel="alternate icon" href="/img/favicon.ico" type="image/x-icon" />
-    <link href="/css/bootstrap.min.css?3" rel="stylesheet">
-    
-    <link href="/css/telegram.css?236" rel="stylesheet" media="screen">
-    <style>
-    </style>
-  </head>
-  <body class="preload">
-    <div class="dev_page_wrap">
-      <div class="dev_page_head navbar navbar-static-top navbar-tg">
-        <div class="navbar-inner">
-          <div class="container clearfix">
-            <ul class="nav navbar-nav navbar-right hidden-xs"><li class="navbar-twitter"><a href="https://twitter.com/telegram" target="_blank" data-track="Follow/Twitter" onclick="trackDlClick(this, event)"><i class="icon icon-twitter"></i><span> Twitter</span></a></li></ul>
-            <ul class="nav navbar-nav">
-              <li><a href="//telegram.org/">Home</a></li>
-<li class="hidden-xs"><a href="//telegram.org/faq">FAQ</a></li>
-<li class="hidden-xs"><a href="//telegram.org/apps">Apps</a></li>
-<li class="active"><a href="/api">API</a></li>
-<li class=""><a href="/mtproto">Protocol</a></li>
-<li class=""><a href="/schema">Schema</a></li>
-            </ul>
-          </div>
-        </div>
-      </div>
-      <div class="container clearfix">
-        <div class="dev_page">
-          <div id="dev_page_content_wrap" class=" ">
-  <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="/methods" >All Methods</a></li><i class="icon icon-breadcrumb-divider"></i><li><a  href="/method/folders.deleteFolder" >folders.deleteFolder</a></li></ul></div>
-  <h1 id="dev_page_title">folders.deleteFolder</h1>
-  
-  <div id="dev_page_content"><p>Delete a <a href="/api/folders#peer-folders">peer folder</a></p>
-<p>{schema}</p>
-<h3><a class="anchor" href="#parameters" id="parameters" name="parameters"><i class="anchor-icon"></i></a>Parameters</h3>
-<table class="table">
-<thead>
-<tr>
-<th>Name</th>
-<th style="text-align: center;">Type</th>
-<th>Description</th>
-</tr>
-</thead>
-<tbody>
-<tr>
-<td><strong>folder_id</strong></td>
-<td style="text-align: center;"><a href="/type/int">int</a></td>
-<td><a href="/api/folders#peer-folders">Peer folder ID, for more info click here</a></td>
-</tr>
-</tbody>
-</table>
-<h3><a class="anchor" href="#result" id="result" name="result"><i class="anchor-icon"></i></a>Result</h3>
-<p> </p>
-<h3><a class="anchor" href="#possible-errors" id="possible-errors" name="possible-errors"><i class="anchor-icon"></i></a>Possible errors</h3>
-<table class="table">
-<thead>
-<tr>
-<th>Code</th>
-<th>Type</th>
-<th>Description</th>
-</tr>
-</thead>
-<tbody>
-<tr>
-<td>400</td>
-<td>FOLDER_ID_EMPTY</td>
-<td>An empty folder ID was specified.</td>
-</tr>
-<tr>
-<td>400</td>
-<td>FOLDER_ID_INVALID</td>
-<td>Invalid folder ID.</td>
-</tr>
-</tbody>
-</table>
-<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="#folders" id="folders" name="folders"><i class="anchor-icon"></i></a><a href="/api/folders">Folders</a></h4>
-<p>Telegram allows placing chats into folders, based on their type, mute status, or other custom criteria, thanks to folder blacklists and whitelists.</p></div>
-  
-</div>
-          
-        </div>
-      </div>
-      <div class="footer_wrap">
-  <div class="footer_columns_wrap footer_desktop">
-    <div class="footer_column footer_column_telegram">
-      <h5>Telegram</h5>
-      <div class="footer_telegram_description"></div>
-      Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.
-    </div>
-
-    <div class="footer_column">
-      <h5><a href="//telegram.org/faq">About</a></h5>
-      <ul>
-        <li><a href="//telegram.org/faq">FAQ</a></li>
-        <li><a href="//telegram.org/privacy">Privacy</a></li>
-        <li><a href="//telegram.org/press">Press</a></li>
-      </ul>
-    </div>
-    <div class="footer_column">
-      <h5><a href="//telegram.org/apps#mobile-apps">Mobile Apps</a></h5>
-      <ul>
-        <li><a href="//telegram.org/dl/ios">iPhone/iPad</a></li>
-        <li><a href="//telegram.org/android">Android</a></li>
-        <li><a href="//telegram.org/dl/web">Mobile Web</a></li>
-      </ul>
-    </div>
-    <div class="footer_column">
-      <h5><a href="//telegram.org/apps#desktop-apps">Desktop Apps</a></h5>
-      <ul>
-        <li><a href="//desktop.telegram.org/">PC/Mac/Linux</a></li>
-        <li><a href="//macos.telegram.org/">macOS</a></li>
-        <li><a href="//telegram.org/dl/web">Web-browser</a></li>
-      </ul>
-    </div>
-    <div class="footer_column footer_column_platform">
-      <h5><a href="//core.telegram.org/">Platform</a></h5>
-      <ul>
-        <li><a href="//core.telegram.org/api">API</a></li>
-        <li><a href="//translations.telegram.org/">Translations</a></li>
-        <li><a href="//instantview.telegram.org/">Instant View</a></li>
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-  </div>
-  <div class="footer_columns_wrap footer_mobile">
-    <div class="footer_column">
-      <h5><a href="//telegram.org/faq">About</a></h5>
-    </div>
-    <div class="footer_column">
-      <h5><a href="//telegram.org/blog">Blog</a></h5>
-    </div>
-    <div class="footer_column">
-      <h5><a href="//telegram.org/apps">Apps</a></h5>
-    </div>
-    <div class="footer_column">
-      <h5><a href="//core.telegram.org/">Platform</a></h5>
-    </div>
-    <div class="footer_column">
-      <h5><a href="https://twitter.com/telegram" target="_blank" data-track="Follow/Twitter" onclick="trackDlClick(this, event)">Twitter</a></h5>
-    </div>
-  </div>
-</div>
-    </div>
-    <script src="/js/main.js?47"></script>
-    
-    <script>backToTopInit("Go up");
-removePreloadInit();
-</script>
-  </body>
-</html>
-

Code	Type	Description
400	FOLDER_ID_EMPTY	An empty folder ID was specified.
400	FOLDER_ID_INVALID	Invalid folder ID.