lang/en/lang.php

<?php
$lang['directions'] = 'Scan the QR code with Google Authenticator or any compatible TOTP application. If your app can\'t  scan QR codes, copy and paste the shown secret manually.';
$lang['verifymodule'] = 'Enter code from Google Authenticator';
$lang['passedsetup'] = 'Google Authenticator is now enabled for this account.';
$lang['verifynotice'] = 'You need to verify that Google Authenticator is working before you can use it to login.';