diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index f6da4169dc5..4bd8e88bfed 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -1,3 +1,12 @@
+<!-- ##################################################################### -->
+<!-- PLEASE READ BEFORE OPENING THIS PULL REQUEST -->
+
+<!-- All changes must adhere to PEP8 standards as enforced by Black. -->
+<!-- If your changes do NOT adhere, the test suite will fail. -->
+<!-- Please read our Contributing guide for instructions on how to apply these standards. -->
+<!-- Contributing Guide: https://pyomo.readthedocs.io/en/stable/contribution_guide.html -->
+<!-- ##################################################################### -->
+
 ## Fixes # .
 
 ## Summary/Motivation: