diff --git a/compiler/errors/source/403_FORBIDDEN.tsv b/compiler/errors/source/403_FORBIDDEN.tsv
index 09d2240d40..68b50d8b58 100644
--- a/compiler/errors/source/403_FORBIDDEN.tsv
+++ b/compiler/errors/source/403_FORBIDDEN.tsv
@@ -25,7 +25,7 @@ GROUPCALL_ALREADY_STARTED	The groupcall has already started, you can join direct
 GROUPCALL_FORBIDDEN	The group call has already ended.
 INLINE_BOT_REQUIRED	Only the inline bot can edit message.
 MESSAGE_AUTHOR_REQUIRED	Message author required.
-MESSAGE_DELETE_FORBIDDEN	You can't delete one of the messages you tried to delete, most likely because it is a service message.
+MESSAGE_DELETE_FORBIDDEN	You can't delete one of the messages you tried to delete, most likely because it is a service message or you're in bot session and it was sent more than 48 hours ago.
 NOT_ELIGIBLE	You are not eligible to take part in Telegram's Premium for SMS initiative
 PARTICIPANT_JOIN_MISSING	Trying to enable a presentation, when the user hasn't joined the Video Chat with [phone.joinGroupCall](https://core.telegram.org/method/phone.joinGroupCall).
 POLL_VOTE_REQUIRED	Cast a vote in the poll before calling this method.
@@ -43,4 +43,4 @@ USER_IS_BLOCKED	You were blocked by this user.
 USER_NOT_MUTUAL_CONTACT	The provided user is not a mutual contact.
 USER_PRIVACY_RESTRICTED	The user's privacy settings do not allow you to do this.
 USER_RESTRICTED	You're spamreported, you can't create channels or chats.
-VOICE_MESSAGES_FORBIDDEN	This user's privacy settings forbid you from sending voice messages.
\ No newline at end of file
+VOICE_MESSAGES_FORBIDDEN	This user's privacy settings forbid you from sending voice messages.