add comment to checklist

Author: hubeadmin

PULL_REQUEST_TEMPLATE.md

@@ -14,10 +14,11 @@
 - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
 
 ## Checklist
+<!-- Tick options that apply, in-code tests are not required but please provide test cases and list steps in "verification steps" with the steps you used to verify this -->
 - [ ] This change requires a documentation update 
 - [ ] I have added tests that prove my fix is effective or that my feature works
 - [ ] I have added a test case that will be used to verify my changes 
 - [ ] Verified independently on a cluster by reviewer
 
 ## Verification steps
-<!-- Please include a series of steps to verify that the functionality/bug fix works, ideally the steps you used to test these changes(if applicable, if not, delete this section)-->
+<!-- Please include a series of steps to verify that the functionality/bug fix works, ideally the steps you used to test these changes(if applicable, if not, delete this section)-->