Adding direct reference to contribution guidelines
@@ -305,8 +305,7 @@ Contributing to Docker
======================
Want to hack on Docker? Awesome! There are instructions to get you
-started on the website:
-http://docs.docker.io/en/latest/contributing/contributing/
+started [here](CONTRIBUTING.md).
They are probably not perfect, please let us know if anything feels
wrong or incomplete.
Michael Crosby