README.md in rubocop-rspec-2.22.0 vs README.md in rubocop-rspec-2.23.0

@@ -15,10 +15,10 @@
 gem install rubocop-rspec
 ```
 
 or if you use bundler put this in your `Gemfile`
 
-```
+```ruby
 gem 'rubocop-rspec', require: false
 ```
 
 ### Upgrading to RuboCop RSpec v2.x