Doc: update pull request template

.github/pull_request_template.md

@@ -3,6 +3,9 @@ Thank you for taking the time to open a pull request!
 Please review the checklist below and perform each of
 the applicable tasks. ❤️!
 -->
+
 **Checklist**
+
 - [ ] Updated guide with pertinent info (may not always apply). <!-- Mark complete if nothing to do. -->
-- [ ] Squash down commits to one or two logical commits which clearly describe the work you've done. If you don't, then Dodd will `:)`.
+- [ ] Squash down commits to one or two logical commits which clearly describe the work you've done.
+- [ ] Unittest is a friend:)