Example for components/Birthdays/ossn.nl.php Change string after => into your language

ossn.nl.php

<?php
/**
 * Open Source Social Network
 *
 * @packageOpen Source Social Network
 * @author    Open Social Website Core Team <[email protected]>
 * @copyright 2014 iNFORMATIKON TECHNOLOGIES
 * @license   General Public Licence http://www.opensource-socialnetwork.org/licence
 * @link      http://www.opensource-socialnetwork.org/licence
 */
$nl = array(
    'birthdays:upcoming' => 'Birthdays upcoming',
	  'birthdays:on' => '%s have birthday on %d',
);
ossn_register_languages('de', $nl);