diff --git a/src/wp-includes/user.php b/src/wp-includes/user.php
index 3d3a5ef610..ba2391bcf6 100644
--- a/src/wp-includes/user.php
+++ b/src/wp-includes/user.php
@@ -2950,6 +2950,8 @@ function wp_user_request_action_description( $action_name ) {
 	/**
 	 * Filters the user action description.
 	 *
+	 * @since 4.9.6
+	 *
 	 * @param string $description The default description.
 	 * @param string $action_name The name of the request.
 	 */