--- modules/system/system.admin.inc~	2008-01-09 10:11:55.000000000 +0000
+++ modules/system/system.admin.inc	2008-01-20 12:23:43.000000000 +0000
@@ -1791,7 +1791,7 @@
   $output .= '<h2>'. t('Query performance') .'</h2>';
   $output .= _system_sql($data, array(
    'Select_full_join' => t('The number of joins without an index; should be zero.'),
-   'Select_range_check' => t('The number of joins without an index; should be zero.'),
+   'Select_range_check' => t('The number of joins without keys that check for key usage after each row; should be zero.'),
    'Sort_scan' => t('The number of sorts done without using an index; should be zero.'),
    'Table_locks_immediate' => t('The number of times a lock could be acquired immediately.'),
    'Table_locks_waited' => t('The number of times the server had to wait for a lock.')