diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index ff79506a352..78ab712ddc2 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -5,6 +5,12 @@
 # the problem area and could aid in deciding whether a pull request is ready
 # for merging.
 #
+# When changing this file, please make sure to commit the changes to the
+# earliest supported PHP branch (PHP-X.Y) and not only to the master branch.
+# GitHub reads the CODEOWNERS file from the pull request's targeted branch.
+# Commit changes here similar to bug fixes:
+# https://github.com/php/php-src/blob/master/CONTRIBUTING.md#pull-requests
+#
 # For more information, see the GitHub CODEOWNERS documentation:
 # https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners