When the trigger word is said and the replacement sentence is posted by the bot, I suggest the trigger word to be strikedthrough and the correction word added in bold after the trigger word.
While this is a nice idea, it is not feasible since the Telegram API does not support strikethrough formatting at the moment. For more info: Telegram API Formatting Options
When the trigger word is said and the replacement sentence is posted by the bot, I suggest the trigger word to be strikedthrough and the correction word added in bold after the trigger word.