--- notifications_tags/notifications_tags.module	2008-01-22 06:29:35.000000000 +0800
+++ notifications_tags/notifications_tags.module	2008-02-28 16:52:39.000000000 +0800
@@ -172,7 +172,7 @@ function notifications_tags_user_form($a
       '#collapsible' => TRUE,
       '#collapsed' => FALSE,
       '#theme' => 'notifications_form_table',
-      '#header' => array('', t('Term'), t('Send interval'), t('Send method'))
+      '#header' => array(theme('table_select_header_cell'), t('Term'), t('Send interval'), t('Send method'))
     );    
     // @ TODO create mechanism to allow users to
     //        subscribe to all terms under this vocabulary