README.md in telegram-bot-0.11.1 vs README.md in telegram-bot-0.11.2

@@ -41,9 +41,15 @@
 
 Or install it yourself as:
 
     $ gem install telegram-bot
 
+Require if necessary:
+
+```ruby
+require 'telegram/bot'
+```
+
 ## Usage
 
 ### Configuration
 
 Add `telegram` section into `secrets.yml`: