diff --git a/README.md b/README.md
index 6578101..3bba9b5 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,5 @@ This should be updated fairly regularly. As usual, **pull requests are encourage
 * [Erldocs.com](http://erldocs.com/) (contributed by [@bradfordw](https://twitter.com/#!/bradfordw))
 * [Clojuredocs.org](http://clojuredocs.org) (contributed by [@mrb_bk](https://twitter.com/#!/mrb_bk))
 * [FreeBSD Handbook](www.freebsd.org/handbook/) - Clean and direct documentation of an OS. (contributed by [@mrtazz](https://twitter.com/#!/mrtazz))
+* [Ruby on Rails Guides](http://guides.rubyonrails.org/) (contributed by [@seancribbs](https://twitter.com/#!/seancribbs))
+