diff --git a/README.md b/README.md
index 8ae948cf6d..31d5b19b21 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,6 @@ More information in their docs: <https://stripe.com/docs/testing#cards>
 
 ## Dependencies
 
-* Rails 4.2
+* Rails 4.2 [Rails Guide](http://guides.rubyonrails.org/v4.2/)
 * PostgreSQL 9.x
 * Stripe