public static function getAutoUpdateMakeWritableMessage()
    {
        $realpath = Filesystem::realpath(PIWIK_INCLUDE_PATH . '/');
        $message = '';
        $message .= "<code>" . self::getCommandToChangeOwnerOfPiwikFiles() . "</code><br />";
        $message .= "<code>chmod -R 0755 " . $realpath . "</code><br />";
        $message .= 'After you execute these commands (or change permissions via your FTP software), refresh the page and you should be able to use the "Automatic Update" feature.';
        return $message;
    }