lang/en/lang.php

<?php

$lang['opentask']    = '1 open task';
$lang['opentasks']   = '%d open tasks';
$lang['noopentasks'] = 'No open tasks';
$lang['labeled'] = 'Labels for this page';
$lang['tagging'] = 'Tags for this page';
$lang['current version'] = 'current version';