Update PULL_REQUEST_TEMPLATE.md (github#18708)

chiedo · sarahs · web-flow · commit 3be35286b3d9 · 2021-04-22T15:20:29.000Z
* Update PULL_REQUEST_TEMPLATE.md

Co-authored-by: Sarah Schneider &lt;sarahs@users.noreply.github.com&gt;
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
@@ -25,3 +25,11 @@ Thanks again!
 - [ ] I have reviewed my changes in staging. (look for the **deploy-to-heroku** link in your pull request, then click **View deployment**)
 - [ ] For content changes, I have reviewed the [localization checklist](https://github.com/github/docs/blob/main/contributing/localization-checklist.md)
 - [ ] For content changes, I have reviewed the [Content style guide for GitHub Docs](https://github.com/github/docs/blob/main/contributing/content-style-guide.md).
+
+### Writer impact (This section is for GitHub staff members only):
+
+- [ ] This pull request impacts the contribution experience
+  - [ ] I have added the 'writer impact' label
+  - [ ] I have added a description and/or a video demo of the changes below (eg. a "before and after video")
+
+<!-- Description of the writer impact here -->
