Update pull_request_template.md (#3487)

pull_request_template.md

@@ -3,6 +3,8 @@
 1. If this is your first contribution, make sure you've read the Contribution Checklist https://developers.mattermost.com/contribute/getting-started/contribution-checklist/
 2. Read our blog post about "Submitting Great PRs" https://developers.mattermost.com/blog/2019-01-24-submitting-great-prs
 3. Take a look at other repository specific documentation at https://developers.mattermost.com/contribute
+
+Assign two reviewers for this pull request from the names suggested. If no names are suggested or you are not sure who to assign, set `Core Focalboard` as the reviewer.
 -->
 
 #### Summary
@@ -18,8 +20,3 @@ If this pull request addresses a Github issue, please link the relevant issue, e
 
 Otherwise, link the JIRA ticket.
 -->
-
-#### Review
-<!--
-Assign two reviewers for this pull request from the names suggested. If no names are suggested or you are not sure who to assign, set `Core Focalboard` as the reviewer.
--->