Update attribue from API command

Hello,
I tried update diaplayName attribute from API command but i’ve error:

[root@oc-web-02 ~]# curl -H "OCS-APIREQUEST: true" -X PUT  http://admin:pass@10.94.XXX.XXX/ocs/v1.php/cloud/users/admin -d key='displayname' -d value='Super Admin'
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>405 Method Not Allowed</title>
</head><body>
<h1>Method Not Allowed</h1>
<p>The requested method PUT is not allowed for the URL /ocs/v1.php/cloud/users/admin.</p>
</body></html>

My Nextcloud version is 16.0.0

Thanks.