Index: src/wp-includes/class-wp-walker.php
===================================================================
--- src/wp-includes/class-wp-walker.php	(revision 33848)
+++ src/wp-includes/class-wp-walker.php	(working copy)
@@ -382,7 +382,8 @@
 	}
 
 	/**
-	 *
+	 * Calculate the total number of root elements.
+	 * 
 	 * @param array $elements
 	 * @return int
 	 */