chore: Add comments to instruct users

Author: doublevcodes

.github/PULL_REQUEST_TEMPLATE/pull_request.md

@@ -6,12 +6,16 @@ This PR introduces [ brief summary ] in accordance with site#[ issue number ]
 - The baz feature was implemented
 - ...
 
+<!-- For your PR to be accepted, these must all be completed -->
+
 ### I confirm I have:
 - [ ] Joined the [Python Discord community](discord.gg/python)
 - [ ] Read the [Code of Conduct](https://www.pydis.com/pages/code-of-conduct) and agree to it
 - [ ] I have discussed implementing this feature on the relevant service (Discord, GitHub, etc.)
 
-### If I have changed any models (edited files under the `site/apps/api/models` directory), I ensure I have:
+<!-- Please remove the below section if you haven't edited files under pydis_site/apps/api/models -->
+
+### I have changed API models and I ensure I have:
 - [ ] Opened a PR updating the model on the [API GitHub Repository](https://github.com/python-discord/api)
 
 **OR**