Update PULL_REQUEST_TEMPLATE

Author: GouravRusiya30

PULL_REQUEST_TEMPLATE

@@ -22,7 +22,7 @@ Please describe the tests that you ran to verify your changes. Please also note
 
 - [ ] My code follows the style guidelines of this project
 - [ ] I have performed a self-review of my own code
-- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have commented my code so that it is easy to understand
 - [ ] I have made corresponding changes to the documentation
 - [ ] My changes generate no new warnings
 - [ ] Any dependent changes have been merged and published in downstream modules