Index: wp-includes/admin-bar.php
===================================================================
--- wp-includes/admin-bar.php	(revision 18999)
+++ wp-includes/admin-bar.php	(working copy)
@@ -550,10 +550,7 @@
 	$icon .= "<div class='ab-comments-icon-arrow'></div>";
 	$icon .= "</div>";
 
-	if ( $awaiting_mod )
-		$title = sprintf( _n('%d Comment', '%d Comments', $awaiting_mod ), number_format_i18n( $awaiting_mod ) );
-	else
-		$title = __('Comments');
+	$title = ( $awaiting_mod ) ? '<span id="ab-awaiting-mod" class="pending-count">' . number_format_i18n( $awaiting_mod ) . '</span>' : '';
 
 	$wp_admin_bar->add_menu( array(
 		'id'    => 'comments',