               force_reply: true
 
     msg.reply
-      text: "A new random number has been generated! Reply to me the number you guess ┏ (゜ω゜)=☞"
+      text: "A new random 4-digital number has been generated! Reply to me the number you guess ┏ (゜ω゜)=☞"
       reply_markup:
         force_reply: true
 

      text = String(msg.text).trim()
      if text == randomNumber
        delete sessions[msg.chat.id]
        msg.reply
          text: "Congratulations, @#{msg.from.username || msg.from.first_name}! The answer is #{randomNumber}. Start a new game by sending /1a2b."
      else if text?.length == 4 && text.match(/^[0-9]{4}$/)
        if text.match(/([0-9]).*\1/)
          msg.reply

  help: (msg) ->
    msg.reply
      text: """
        /1a2b - start a 1A2B game (https://en.wikipedia.org/wiki/Bulls_and_Cows)
        /cancel - cancel any ongoing games
        /help - about this bot
      """
