src/Ovh/Ip/IpClient.php
public function setIPBlockProperties($ipblock,$description)
    {
		$payload = array(
			'description' => $description
		 );
	
        try {
            $r = $this->put('ip/' . urlencode($ipblock), array('Content-Type' => 'application/json;charset=UTF-8'), json_encode($payload))->send();
        } catch (\Exception $e) {
            throw new IpException($e->getMessage(), $e->getCode(), $e);
        }
        return $r->getBody(true);
    }
public function setIPBlockProperties($ipblock,$description)
    {
		$payload = array(
			'description' => $description
		 );
	
        try {
            $r = $this->put('ip/' . urlencode($ipblock), array('Content-Type' => 'application/json;charset=UTF-8'), json_encode($payload))->send();
        } catch (\Exception $e) {
            throw new IpException($e->getMessage(), $e->getCode(), $e);
        }
        return $r->getBody(true);
    }
set IPBlockProperties

@param string $description
@return string Json
@throws Exception\IpException
@throws Exception\IpNotFoundException

only seems to return null on success