diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 80a963b6d1..c84f4a9782 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -1,3 +1,5 @@
+## Don't open the PR until it is ready for review.
+
 Fixes #[replace brackets with the issue number that your pull request addresses].
 
 **Changes proposed in this pull request:**