README.md in opensesame-0.2.0 vs README.md in opensesame-0.3.0

@@ -9,11 +9,13 @@
 
 ## Usage
 
 In your Gemfile:
 
-    $ gem "opensesame"
+```ruby
+gem "opensesame"
+```
 
 Register your application(s) with Github for OAuth access. For each application, you need a name, the site url,
 and a callback for OAuth. The OmniAuth-Github OAuth strategy used under the hood will expect the callback at mount path + '/github/callback'. So the development version of your client application might be registered as:
 
     Name: MyApp - local
@@ -33,19 +35,17 @@
   config.organization 'challengepost'
   config.mounted_at   '/opensesame'
 end
 ```
 
-Mount OpenSesame in your Rails routes.rb:
+Mount OpenSesame in your Rails routes:
 
 ```ruby
 # Rails config/routes.rb
-
 mount OpenSesame::Engine => OpenSesame.mount_prefix
 ```
 
-Place the following into your appplication_contrrollerb.rb:
+Place the following in your application_controller:
 
 ```ruby
 before_filter :authenticate_opensesame!
 ```
-