corrected release-note

.github/PULL_REQUEST_TEMPLATE.md

@@ -35,7 +35,7 @@ Fixes #
 
 **Does this PR introduce a user-facing change?**:
 <!--  
-If no, just write "NONE" in the release note block below.
+If no, just write "NONE" in the release-note block below.
 If yes, a release note is required:
 Enter your extended release note in the block below. If the PR requires additional action from users switching to the new release, include the string "action required".
 -->