Merge pull request #47 from lichen2013/master

Fix the hyperlink in CONTRIBUTING.md for issue search

CONTRIBUTING.md

@@ -17,7 +17,7 @@ Follow either of the two links above to access the appropriate CLA and instructi
 
 ## Finding Things That Need Help
 
-If you're new to the project and want to help, but don't know where to start, we have a semi-curated list of issues that should not need deep knowledge of the system. [Have a look and see if anything sounds interesting](https://github.com/kubernetes/ingress/issues?utf8=%E2%9C%93&q=is%3Aopen%20is%3Aissue%20label%3Ahelp-wanted%20). Alternatively, read some of the docs on other controllers and try to write your own, file and fix any/all issues that come up, including gaps in documentation!
+If you're new to the project and want to help, but don't know where to start, we have a semi-curated list of issues that should not need deep knowledge of the system. [Have a look and see if anything sounds interesting](https://github.com/kubernetes/ingress/issues?utf8=%E2%9C%93&q=is%3Aopen%20is%3Aissue%20label%3A%22help+wanted%22). Alternatively, read some of the docs on other controllers and try to write your own, file and fix any/all issues that come up, including gaps in documentation!
 
 ## Contributing A Patch