diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index bdf0d53d9..b07b5d254 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -588,7 +588,9 @@ botCommand command:string description:string = BotCommand;
 //@description Contains a list of bot commands @bot_user_id Bot's user identifier @commands List of bot commands
 botCommands bot_user_id:int53 commands:vector<botCommand> = BotCommands;
 
-//@description Describes a button to be shown instead of bot commands menu button @text Text of the button @url URL to be passed to openWebApp
+//@description Describes a button to be shown instead of bot commands menu button
+//@text Text of the button
+//@url URL of a Web App to open when the button is pressed. If the link is of the type internalLinkTypeWebApp, then it must be processed accordingly. Otherwise, the link must be passed to openWebApp
 botMenuButton text:string url:string = BotMenuButton;