(doc) How to overwrite protocol in NextCloud

doc/sources/admin/applications/nextcloud.rst

@@ -30,14 +30,13 @@ software <https://docs.nextcloud.com/server/10/admin_manual/installation/index.h
     If your NextCloud is behind a proxy (thus having a private
     IP), metadata generated by NextCloud won't work.
 
-    Consider changing the configuration of NextCloud to force the domain, in
+    Consider changing the configuration of NextCloud to force the domain and the protocol, in
     **$nextcloudrootwww/config/config.php**, add the following:
 
     .. code:: php
 
        'overwritehost' => 'nextcloud.example.com',
-
-
+       'overwriteprotocol' => 'https',
 
 You also need to enable the "SAML authentication" plugin in your
 NextCloud. <code> + Apps -> Not enabled -> SAML authentication</code>