Merge pull request #307 from maurcarvalho/fix_docs_links

Fix docs links

Author: rafaelfranca

CONTRIBUTING.md

@@ -49,7 +49,7 @@ Make sure that `bundle exec rake test` completes without errors.
 
 #### Write Documentation
 
-Document any external behavior in the [README](README.md).
+Document any external behavior in the [README](README.rdoc).
 
 #### Commit Changes
 

README.rdoc

@@ -32,7 +32,7 @@ Or added to a Gemfile:
 
 Source code can be downloaded on GitHub
 
-* https://github.com/rails/activeresource/tree/master/activeresource
+* https://github.com/rails/activeresource/tree/master
 
 === Configuration and Usage