README.md in rack-env-0.1.1 vs README.md in rack-env-0.1.2

@@ -24,37 +24,37 @@
 
 ## Usage
 
 ### Rails
 
-```
+```ruby
 group :development, :test do
   gem 'rack-env'
 end
 ```
 
 ### Rack App (such as sinatra)
 
-```
+```ruby
 # app.rb
 require 'rack/env'
 use Rack::Env
 ```
 
 * Enable to specified file to load.
 
-```
+```ruby
 # app.rb
 require 'rack/env'
 use Rack::Env, envfile: 'somewhere/to/.env.development'
 ```
 
 * Use only local development
 
-```
+```ruby
 # app.rb
 require 'rack/env'
-use Rack::Env if ENV['RACK_ENV'] != 'production'
+use Rack::Env unless ENV['RACK_ENV'] == 'production'
 ```
 
 ## Contributing
 
 1. Fork it