Index: wp-includes/admin-bar.php
===================================================================
--- wp-includes/admin-bar.php	(revision 19497)
+++ wp-includes/admin-bar.php	(working copy)
@@ -569,14 +569,17 @@
 
 	$update_data = wp_get_update_data();
 
-	if ( !$update_data['counts']['total'] )
+	if ( ! $update_data['counts']['total'] )
 		return;
 
-	$update_title = "<span title='{$update_data['title']}'>";
-	$update_title .= sprintf( __('Updates %s'), "<span id='ab-updates' class='update-count'>" . number_format_i18n($update_data['counts']['total']) . '</span>' );
-	$update_title .= '</span>';
-
-	$wp_admin_bar->add_menu( array( 'id' => 'updates', 'title' => $update_title, 'href' => network_admin_url( 'update-core.php' ) ) );
+	$update_title = sprintf( __( 'Updates %s' ), "<span id='ab-updates' class='update-count'>" . number_format_i18n( $update_data['counts']['total'] ) . '</span>' );
+	
+	$wp_admin_bar->add_menu( array(
+		'id'    => 'updates',
+		'title' => $update_title,
+		'href'  => network_admin_url( 'update-core.php' ),
+		'meta'  => array( 'title' => $update_data['title'] ),
+	) );
 }
 
 /**