Index: src/wp-includes/admin-bar.php
===================================================================
--- src/wp-includes/admin-bar.php	(revision 35824)
+++ src/wp-includes/admin-bar.php	(working copy)
@@ -696,6 +696,7 @@
 
 	$icon  = '<span class="ab-icon"></span>';
 	$title = '<span id="ab-awaiting-mod" class="ab-label awaiting-mod pending-count count-' . $awaiting_mod . '">' . number_format_i18n( $awaiting_mod ) . '</span>';
+	$title .= '<span class="screen-reader-text">' . $awaiting_title . '</span>';
 
 	$wp_admin_bar->add_menu( array(
 		'id'    => 'comments',