Update PULL_REQUEST_TEMPLATE.md

Author: thatblindgeye

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,17 +1,15 @@
 <!--
-Thank you for taking the time to contribute to The Odin Project. In order to get PRs closed in a reasonable amount of time, we request that you include a baseline of information about the changes you are proposing. Please complete each applicable checkbox and answer the following triage questions:
+Thank you for taking the time to contribute to The Odin Project. In order to get pull requests (PR) closed in a reasonable amount of time, you must include a baseline of information about the changes you are proposing. Please complete each applicable checkbox and answer the following triage questions:
 -->
 
-- [ ] You have read our [CSS Exercises Contributing Guide](https://github.com/TheOdinProject/css-exercises/blob/main/CONTRIBUTING.md).
-- [ ] The title states the exercise being changed and what the change is using the `exercise: summary of changes` scheme. For example: "01-flex-layout: updated solution CSS" or "grid exercises: fixed naming scheme".
-- [ ] If the PR is related to an open issue, link the issue to your pull request. See [Using keywords in issues and pull requests](https://docs.github.com/en/github/writing-on-github/working-with-advanced-formatting/using-keywords-in-issues-and-pull-requests) for more info.
-- [ ] If changes are requested, please make the changes in a timely manner. After you submit the changes, request another review from the maintainer (top right).
+- [ ] You have thoroughly read our [CSS Exercises Contributing Guide](https://github.com/TheOdinProject/css-exercises/blob/main/CONTRIBUTING.md).
+- [ ] The title of this PR is in `file/exercise/folder: brief description of changes` format, e.g. `01 flex center: add hint for XYZ`
+- [ ] If the PR is related to an open issue, link the issue to the PR by replacing `XXXXX` in Step 2 below with the issue number, e.g. `#2013`.
+- [ ] If changes are requested, please make the changes in a timely manner. After you submit the changes, request another review from the maintainer (top of the right sidebar).
 
+**1. Description of the Changes**
+<!-- A clear and concise description of your changes. Also include why you are proposing these changes, such as if it is related to an open issue or another reason. -->
 
-#### 1. Describe the changes made and include why they are necessary or important:
-
-...your text here
-
-#### 2. Related Issue
+**2. Related Issue**
 
 Closes #XXXXX