examples/bot.rb in telegram-bot-ruby-0.2.5 vs examples/bot.rb in telegram-bot-ruby-0.2.6

@@ -5,12 +5,12 @@
 
 Telegram::Bot::Client.run(token) do |bot|
   bot.listen do |message|
     case message.text
     when '/start'
-      bot.api.sendMessage(chat_id: message.chat.id, text: "Hello, #{message.from.username}!")
+      bot.api.sendMessage(chat_id: message.chat.id, text: "Hello, #{message.from.first_name}!")
     when '/end'
-      bot.api.sendMessage(chat_id: message.chat.id, text: "Bye, #{message.from.username}!")
+      bot.api.sendMessage(chat_id: message.chat.id, text: "Bye, #{message.from.first_name}!")
     else
       bot.api.sendMessage(chat_id: message.chat.id, text: "I don't understand you :(")
     end
   end
 end