Update pull_request_template.md

Author: mishmosh

.github/pull_request_template.md

@@ -1,10 +1,9 @@
 <!-- Thanks for your contribution! Please read the contributing guidelines before submitting: https://codeforphilly.github.io/chime/CONTRIBUTING.html -->
 
-<!--
+### Checklist
 - If this PR affects devops or model, start your PR title with `[DevOps]` or `[Model]`
-- Update any corresponding user or developer documentation, if affected.
--->
+- Update the user or developer documentation, if affected.
 
 ### Description
-- Fixes #(relevant issue number or numbers).
 - Short description of problem & solution, for copying into changelog. (1-3 sentences, depending on scope of change)
+- Fixes #(issue number).