diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index 0138d73bf..fdf0c3f65 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -1001,7 +1001,7 @@ chatMessageSender sender:MessageSender needs_premium:Bool = ChatMessageSender;
 chatMessageSenders senders:vector<chatMessageSender> = ChatMessageSenders;
 
 
-//@description Represents a viewer of a message @user_id User identifier of the viewer @view_date Point in time (Unix timestamp) when the message was viewed
+//@description Represents a viewer of a message @user_id User identifier of the viewer @view_date Approximate point in time (Unix timestamp) when the message was viewed
 messageViewer user_id:int53 view_date:int32 = MessageViewer;
 
 //@description Represents a list of message viewers @viewers List of message viewers