diff --git a/src/wp-includes/l10n.php b/src/wp-includes/l10n.php
index 1ed9a6a1a8..513039a83d 100644
--- a/src/wp-includes/l10n.php
+++ b/src/wp-includes/l10n.php
@@ -116,7 +116,8 @@ function get_user_locale( $user = 0 ) {
  *
  * @since 5.0.0
  *
- * @global string $pagenow The filename of the current screen.
+ * @global string $pagenow          The filename of the current screen.
+ * @global string $wp_local_package Locale code of the package.
  *
  * @return string The determined locale.
  */