README.md in botolo-0.50.1 vs README.md in botolo-0.55.0

@@ -48,10 +48,10 @@
   - { schedule: every 3 s, action: say_foo }
 ``` 
 
 Botolo expects to find in the current directory a file named dummy-bot.rb
 implementing the two methods (say\_hello and say\_foo) it has to run based upon
-this schedule. 
+this schedule.
 There is a **big** constraint: your ruby file must be a Botolo::Bot::Behaviour
 class. It must also implement an initialize method with an Hash parameter
 engine will use to pass options to the bot.
 
 It will be used in the future to implement some form of communication between