README.md in airborne-0.2.1 vs README.md in airborne-0.2.2

@@ -14,11 +14,11 @@
 Install Airborne:
 ```shell
 $ gem install airborne
 ```
 Or add it to your Gemfile:
-```shell
-$ gem 'airborne'
+```ruby
+gem 'airborne'
 ```
 ##Creating Tests
 
 ```ruby
 require 'airborne'