Index: includes/theme.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/theme.inc,v
retrieving revision 1.519
diff -u -p -r1.519 theme.inc
--- includes/theme.inc	31 Aug 2009 19:50:17 -0000	1.519
+++ includes/theme.inc	3 Sep 2009 15:09:07 -0000
@@ -1729,10 +1729,10 @@ function theme_table_select_header_cell(
  */
 function theme_tablesort_indicator($style) {
   if ($style == "asc") {
-    return theme('image', 'misc/arrow-asc.png', t('sort icon'), t('sort ascending'));
+    return theme('image', 'misc/arrow-asc.png', t('sort ascending'), t('sort ascending'));
   }
   else {
-    return theme('image', 'misc/arrow-desc.png', t('sort icon'), t('sort descending'));
+    return theme('image', 'misc/arrow-desc.png', t('sort descending'), t('sort descending'));
   }
 }
 
Index: themes/seven/template.php
===================================================================
RCS file: /cvs/drupal/drupal/themes/seven/template.php,v
retrieving revision 1.5
diff -u -p -r1.5 template.php
--- themes/seven/template.php	22 Aug 2009 14:34:23 -0000	1.5
+++ themes/seven/template.php	3 Sep 2009 15:09:07 -0000
@@ -58,10 +58,10 @@ function seven_admin_block_content($cont
 function seven_tablesort_indicator($style) {
   $theme_path = drupal_get_path('theme', 'seven');
   if ($style == "asc") {
-    return theme('image', $theme_path . '/images/arrow-asc.png', t('sort icon'), t('sort ascending'));
+    return theme('image', $theme_path . '/images/arrow-asc.png', t('sort ascending'), t('sort ascending'));
   }
   else {
-    return theme('image', $theme_path . '/images/arrow-desc.png', t('sort icon'), t('sort descending'));
+    return theme('image', $theme_path . '/images/arrow-desc.png', t('sort descending'), t('sort descending'));
   }
 }