diff --git a/data/core.telegram.org/bots/api.html b/data/core.telegram.org/bots/api.html
index 8e0ec11a77..4883b8b873 100644
--- a/data/core.telegram.org/bots/api.html
+++ b/data/core.telegram.org/bots/api.html
@@ -647,7 +647,7 @@ To learn how to create…">
 <tr>
 <td>forward_signature</td>
 <td>String</td>
-<td><em>Optional</em>. For messages forwarded from channels, signature of the post author if present</td>
+<td><em>Optional</em>. For forwarded messages that were originally sent in channels or by an anonymous chat administrator, signature of the message sender if present</td>
 </tr>
 <tr>
 <td>forward_sender_name</td>