diff --git a/src/wp-includes/customize/class-wp-customize-date-time-control.php b/src/wp-includes/customize/class-wp-customize-date-time-control.php
index 11c5b67cb9..6325194395 100644
--- a/src/wp-includes/customize/class-wp-customize-date-time-control.php
+++ b/src/wp-includes/customize/class-wp-customize-date-time-control.php
@@ -189,6 +189,8 @@ class WP_Customize_Date_Time_Control extends WP_Customize_Control {
 	 * @since 4.9.0
 	 * @see touch_time()
 	 *
+	 * @global WP_Locale $wp_locale
+	 *
 	 * @return array
 	 */
 	public function get_month_choices() {