diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 962c4199c..2cdd94d56 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -5053,7 +5053,7 @@ setChatPhoto chat_id:int53 photo:InputChatPhoto = Ok;
 
 //@description Changes the message TTL in a chat. Requires can_delete_messages administrator right in basic groups, supergroups and channels
 //-Message TTL can't be changed in a chat with the current user (Saved Messages) and the chat 777000 (Telegram)
-//@chat_id Chat identifier @ttl New TTL value, in seconds; must be one of 0, 86400, 7 * 86400, or 31 * 86400 unless the chat is secret
+//@chat_id Chat identifier @ttl New TTL value, in seconds; unless the chat is secret, it must be from 0 up to 365 * 86400 and be divisible by 86400
 setChatMessageTtl chat_id:int53 ttl:int32 = Ok;
 
 //@description Changes the chat members permissions. Supported only for basic groups and supergroups. Requires can_restrict_members administrator right