diff --git a/docs/user-guide/persistent-volumes/index.md b/docs/user-guide/persistent-volumes/index.md
index b1086de1b9..dfc9aa5b5a 100644
--- a/docs/user-guide/persistent-volumes/index.md
+++ b/docs/user-guide/persistent-volumes/index.md
@@ -373,14 +373,16 @@ provisioner: kubernetes.io/glusterfs
 parameters:
   endpoint: "glusterfs-cluster"
   resturl: "http://127.0.0.1:8081"
+  restauthenabled: "true"
   restuser: "admin"
   restuserkey: "password"
 ```
 
 * `endpoint`: `glusterfs-cluster` is the endpoint/service name which includes GlusterFS trusted pool IP addresses and this parameter is mandatory.
-* `resturl` : Gluster REST service url which provision gluster volumes on demand. The format should be a valid URL and this is a mandatory parameter for GlusterFS dynamic provisioner.
-* `restuser` : Gluster REST service user who has access to create volumes in the Gluster Trusted Pool. This parameter is optional, empty string will be used when omitted.
-* `restuserkey` : Gluster REST service user's password which will be used for authentication to the REST server. This parameter is optional, empty string will be used when omitted.
+* `resturl` : Gluster REST service url which provisions gluster volumes on demand. The format should be `http://IPaddress:Port` and this parameter is mandatory when using the GlusterFS dynamic provisioner.
+* `restauthenabled` : A boolean value that indicates whether Gluster REST service authentication is enabled on the REST server. If this value is 'true', you must supply values for the 'restuser' and 'restuserkey' parameters."
+* `restuser` : Gluster REST service user, who has access to create volumes in the Gluster Trusted Pool.
+* `restuserkey` : Gluster REST service user's password, will be used for authentication to the REST server.
 
 #### OpenStack Cinder