Update Github PR template

.github/PULL_REQUEST_TEMPLATE.md

@@ -7,8 +7,8 @@
 [List any existing issues this PR resolves]
 
 ### Check List
-- [ ] All tests pass. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/TESTING.MD
+
+- [ ] All tests pass. See <https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/TESTING.MD>
 - [ ] New functionality includes testing.
 - [ ] New functionality has been documented in the README if applicable
-- [ ] The CLA has been signed. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/CONTRIBUTING.MD
-
+- [ ] All commits have been signed for the Developer Certificate of Origin. See <https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/CONTRIBUTING.MD>