if ($width > '500') {
    $rrd_options .= " COMMENT:'" . substr(str_pad($unit_text, $descr_len + 10), 0, $descr_len + 10) . "Now         Min         Max        Avg\l'";
    if ($printtotal === 1) {
        $rrd_options .= " COMMENT:'Total      '";
    }