🐛 Add missing links

Signed-off-by: Peter Boling <[email protected]>

Author: pboling

CONTRIBUTING.md

@@ -4,12 +4,20 @@ Bug reports and pull requests are welcome on GitHub at [https://github.com/oauth
 intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to
 the [code of conduct][conduct].
 
-To submit a patch, please fork the oauth project and create a patch with
+To submit a patch, please fork the project and create a patch with
 tests. Once you're happy with it send a pull request and post a message to the
 [google group][mailinglist].
 
 ## Contributors
 
-[![Contributors](https://contrib.rocks/image?repo=oauth-xx/oauth-ruby)]("https://github.com/oauth-xx/oauth-ruby/graphs/contributors")
+[![Contributors](https://contrib.rocks/image?repo=oauth-xx/oauth-ruby)][contributors]
 
-Made with [contributors-img](https://contrib.rocks).
+Made with [contributors-img][contrib-rocks].
+
+[comment]: <> (Following links are used by README, CONTRIBUTING, Homepage)
+
+[conduct]: https://github.com/oauth-xx/oauth-ruby/blob/master/CODE_OF_CONDUCT.md
+[contributing]: https://github.com/oauth-xx/oauth-ruby/blob/master/CONTRIBUTING.md
+[contributors]: https://github.com/oauth-xx/oauth-ruby/graphs/contributors
+[mailinglist]: http://groups.google.com/group/oauth-ruby
+[source]: https://github.com/oauth-xx/oauth-ruby/