GAnalytics.english.php

<?php
/**
 * Google Analytics tracking
 */

$txt['ga_tracking_code'] = 'Google Analytics tracking code.';
$txt['ga_tracking_code_description'] = 'The tracking code is the part of the javascript code provided by Google that looks like <strong>UA-1234567-1</strong>';

$txt['ga_tracking_adminpages'] = 'Add the code to admin pages as well.';
$txt['ga_tracking_only_guests'] = 'Track only guests.';