Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -4,7 +4,7 @@ The community is what makes Sails great, without you we wouldn't have come so fa
 
 ## Opening issues
 1. If you have a question about setting up/using Sails, please check out the [Sails docs](http://sailsjs.org/#!documentation) or try searching  [StackOverflow](http://stackoverflow.com/questions/tagged/sails.js).
-2. Search for issues similar to yours in [GitHub search](https://github.com/balderdashy/sails/search?) and [Google](https://www.google.nl/search?q=sails+js). 
+2. Search for issues similar to yours in [GitHub search](https://github.com/balderdashy/sails/search?type=Issues) and [Google](https://www.google.nl/search?q=sails+js). 
 3. If you want to request a feature, please do! Just make sure it's clear that you're making a feature request so we can tag it as such. (Starting the title off with "Feature Request:" helps a lot.)
 4. If there's an open issue, please contribute to that issue.
 5. If there's a closed issue, open a new issue and link the url of the already closed issue(s).