about WP 3.5 translate a string must be…

about WP 3.5 translate, a stringString A string is a translatable part of the software. A translation consists of a multitude of localized strings. must be changed In the dashboard.php file or in po file.
line number 1271 in dashboard.php(wp-admin\includes) says two “%s” in href, but po file is written in %1$s and %2$s, so the string is not translated properly.