diff --git a/src/wp-admin/menu-header.php b/src/wp-admin/menu-header.php
index a32f3a514d..e279c8f8f5 100644
--- a/src/wp-admin/menu-header.php
+++ b/src/wp-admin/menu-header.php
@@ -47,7 +47,7 @@ function _wp_menu_output( $menu, $submenu, $submenu_as_parent = true ) {
 	global $self, $parent_file, $submenu_file, $plugin_page, $typenow;
 
 	$first = true;
-	// 0 = name, 1 = capability, 2 = file, 3 = class, 4 = id, 5 = icon src
+	// 0 = menu_title, 1 = capability, 2 = menu_slug, 3 = page_title, 4 = classes, 5 = hookname, 6 = icon_url
 	foreach ( $menu as $key => $item ) {
 		$admin_is_parent = false;
 		$class = array();