protected function addSynchronizationInformation()
    {
        $this->html->pInfo($this->_(
                'Check source for new surveys, changes in survey status and survey deletion. Can also perform maintenance on some sources, e.g. by changing the number of attributes.'
                ));
        $this->html->pInfo($this->_(
                'Run this code when the status of a survey in a source has changed or when the code has changed and the source must be adapted.'
                ));
    }