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@@ -82,11 +82,12 @@ You will usually want to write tests for your changes.  To run the test suite, g
 
 ## Starting with Rails?
 
-If you are building your first Rails application, we recommend you *do not* use Devise. Devise requires a good understanding of the Rails Framework. In such cases, we advise you to start a simple authentication system from scratch. Today, we have three resources that should help you get started:
+If you are building your first Rails application, we recommend you *do not* use Devise. Devise requires a good understanding of the Rails Framework. In such cases, we advise you to start a simple authentication system from scratch. Today, we have four resources that should help you get started:
 
 * Michael Hartl's online book: https://www.railstutorial.org/book/modeling_users
 * Ryan Bates' Railscast: http://railscasts.com/episodes/250-authentication-from-scratch
 * Chris Oliver's GoRails Episode 12: https://gorails.com/episodes/user-authentication-with-devise
+* Codecademy's Ruby on Rails: Authentication and Authorization: http://www.codecademy.com/en/learn/rails-auth
 
 Once you have solidified your understanding of Rails and authentication mechanisms, we assure you Devise will be very pleasant to work with. :smiley: