diff --git a/data/web/core.telegram.org/bots/api.html b/data/web/core.telegram.org/bots/api.html
index 55d81ee95a..bbdccce9c5 100644
--- a/data/web/core.telegram.org/bots/api.html
+++ b/data/web/core.telegram.org/bots/api.html
@@ -2046,7 +2046,7 @@ To learn how to create…">
 <tr>
 <td>data</td>
 <td>String</td>
-<td><em>Optional</em>. Data associated with the callback button. Be aware that a bad client can send arbitrary data in this field.</td>
+<td><em>Optional</em>. Data associated with the callback button. Be aware that the message, which originated the query, can contain no callback buttons with this data.</td>
 </tr>
 <tr>
 <td>game_short_name</td>
diff --git a/data/web/corefork.telegram.org/bots/api.html b/data/web/corefork.telegram.org/bots/api.html
index 4d63d483be..1c02dbd1da 100644
--- a/data/web/corefork.telegram.org/bots/api.html
+++ b/data/web/corefork.telegram.org/bots/api.html
@@ -2046,7 +2046,7 @@ To learn how to create…">
 <tr>
 <td>data</td>
 <td>String</td>
-<td><em>Optional</em>. Data associated with the callback button. Be aware that a bad client can send arbitrary data in this field.</td>
+<td><em>Optional</em>. Data associated with the callback button. Be aware that the message, which originated the query, can contain no callback buttons with this data.</td>
 </tr>
 <tr>
 <td>game_short_name</td>