tcm-in-guestrow-tpl/lang/en/settings.php

<?php
/**
 * English language file for config
 *
 */

$lang['foo']          = 'Tagline';
$lang['discussionNS'] = 'Discussion namespace (leave empty to disable discussions)';
$lang['sidebarID']    = 'page name of page included in sidebar';
$lang['hideTools']    = 'Hide tools when not logged in?';