github.rb in oa-oauth-0.1.5

- old
+ new

@@ -1,16 +1,24 @@
 require 'omniauth/oauth'
 require 'multi_json'
 
 module OmniAuth
   module Strategies
+    # OAuth 2.0 based authentication with GitHub. In order to 
+    # sign up for an application, you need to [register an application](http://github.com/account/applications/new)
+    # and provide the proper credentials to this middleware.
     class GitHub < OAuth2
+      # @param [Rack Application] app standard middleware application argument
+      # @param [String] app_id the application ID for your client
+      # @param [String] app_secret the application secret
       def initialize(app, app_id, app_secret, options = {})
         options[:site] = 'https://github.com/'
         options[:authorize_path] = '/login/oauth/authorize'
         options[:access_token_path] = '/login/oauth/access_token'
         super(app, :github, app_id, app_secret, options)
       end
+      
+      protected
       
       def user_data
         @data ||= MultiJson.decode(@access_token.get('/api/v2/json/user/show'))['user']
       end
       