Merge branch 'pb/template-for-single-commit-pr' into maint-2.43

Doc update.

* pb/template-for-single-commit-pr:
  .github/PULL_REQUEST_TEMPLATE.md: add a note about single-commit PRs
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 952c7c3..37654cd 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -4,4 +4,7 @@
 bug reports. Nevertheless, you can use GitGitGadget (https://gitgitgadget.github.io/)
 to conveniently send your Pull Requests commits to our mailing list.
 
+For a single-commit pull request, please *leave the pull request description
+empty*: your commit message itself should describe your changes.
+
 Please read the "guidelines for contributing" linked above!