Merge pull request #1241 from williamn/patch-1

Update README.md

Author: dblock

README.md

@@ -1569,7 +1569,7 @@ end
 
 The following example specifies the entity to use in the `http_codes` definition.
 
-```
+```ruby
 desc 'My Route' do
  failure [[408, 'Unauthorized', API::Error]]
 end