Clarified the delete instructions.

.github/PULL_REQUEST_TEMPLATE.md

@@ -6,11 +6,10 @@ is true:
 1. You have followed the [contributing guidelines][1]
 2. You have added an appropriate title to the PR.
 3. Requested a review from the HPC Training team.
+4. Delete any Markdown comments, instructions or anything else outside the below divider section once you have finished your PR.
 
 Any questions should be directed to @MonashDeepNeuron/hpc-training.
 
-> Note: Ensure to delete the instructions once you have finished your PR.
-
 ---
 
 Replace any "X" below with information about your pull request.
@@ -32,4 +31,6 @@ eg.
 
 - X
 
+---
+
 [1]: https://github.com/MonashDeepNeuron/HPC-Training/blob/main/CONTRIBUTING.md