Index: wp-includes/admin-bar.php
===================================================================
--- wp-includes/admin-bar.php	(revision 19505)
+++ wp-includes/admin-bar.php	(working copy)
@@ -76,6 +76,9 @@
 		'id'    => 'wp-logo',
 		'title' => '<div class="ab-icon"></div>',
 		'href'  => admin_url( 'about.php' ),
+		'meta'      => array(
+			'title'	=> __('About WordPress'),
+		),
 	) );
 
 	if ( is_user_logged_in() ) {
@@ -144,6 +147,7 @@
 			'href'      => $profile_url,
 			'meta'      => array(
 				'class'     => $class,
+				'title'     => __('My Account'),
 			),
 		) );