diff --git a/data/web/corefork.telegram.org/method/channels.toggleParticipantsHidden b/data/web/corefork.telegram.org/method/channels.toggleParticipantsHidden
index 0f02aaaa20..b4ab9e3852 100644
--- a/data/web/corefork.telegram.org/method/channels.toggleParticipantsHidden
+++ b/data/web/corefork.telegram.org/method/channels.toggleParticipantsHidden
@@ -89,6 +89,23 @@
 </table>
 <h3><a class="anchor" href="#result" id="result" name="result"><i class="anchor-icon"></i></a>Result</h3>
 <p><a href="/type/Updates">Updates</a></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>PARTICIPANTS_TOO_FEW</td>
+<td>Not enough participants.</td>
+</tr>
+</tbody>
+</table>
 <h3><a class="anchor" href="#bots-can-use-this-method" id="bots-can-use-this-method" name="bots-can-use-this-method"><i class="anchor-icon"></i></a>Bots can use this method</h3>
 <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="#channels-supergroups-gigagroups-and-basic-groups" id="channels-supergroups-gigagroups-and-basic-groups" name="channels-supergroups-gigagroups-and-basic-groups"><i class="anchor-icon"></i></a><a href="/api/channel">Channels, supergroups, gigagroups and basic groups</a></h4>
diff --git a/data/web/corefork.telegram.org/method/photos.uploadProfilePhoto b/data/web/corefork.telegram.org/method/photos.uploadProfilePhoto
index 077ceb746a..17d4191c32 100644
--- a/data/web/corefork.telegram.org/method/photos.uploadProfilePhoto
+++ b/data/web/corefork.telegram.org/method/photos.uploadProfilePhoto
@@ -121,7 +121,7 @@
 <tr>
 <td>400</td>
 <td>EMOJI_MARKUP_INVALID</td>
-<td> </td>
+<td>The specified <code>video_emoji_markup</code> was invalid.</td>
 </tr>
 <tr>
 <td>400</td>