another tweak to make it clearer

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,14 +1,11 @@
-### Description
+**Description**
+<sup>Explain the changes or enhancements you are proposing with this pull request.</sup>
 
-Please describe the changes or enhancements you are proposing with this pull request.
+**Related** Issues
+<sup>List any related issues that are addressed or fixed by this pull request.</sup>
 
-### Related Issues
-
-List any related issues that are addressed or fixed by this pull request.
-
-### Checklist
-
-Please check all that apply.
+**Checklist**
+<sup>Please check all that apply.</sup>
 
 - [ ] I've tested the changes locally
 - [ ] I've updated the wiki accordingly
@@ -17,8 +14,7 @@ Please check all that apply.
 - [ ] I've added unit tests that cover the changes
 - [ ] All existing tests are passing
 
-### Additional Notes
+**Additional Notes**
+<sup>Add any additional information or context about the pull request here.</sup>
 
-Add any additional information or context about the pull request here.
-
-### Screenshots
+**Screenshots**