Index: modules/block/block.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/block/block.module,v
retrieving revision 1.348
diff -u -p -r1.348 block.module
--- modules/block/block.module	5 Jul 2009 18:00:07 -0000	1.348
+++ modules/block/block.module	9 Jul 2009 17:19:42 -0000
@@ -249,7 +249,7 @@ function block_page_alter($page) {
 
       // Append region description if we are rendering the block admin page.
       $item = menu_get_item();
-      if ($item['path'] == 'admin/build/block') {
+      if ($item['path'] == 'admin/build/block' && $item['access']) {
         $description = '<div class="block-region">' . $regions[$region] . '</div>';
         $page[$region]['block_description'] = array(
           '#markup' => $description,