diff --git a/examples/rbd/groupsnapshotclass.yaml b/examples/rbd/groupsnapshotclass.yaml
index 16f83db8d9a..d54d1c1b3c7 100644
--- a/examples/rbd/groupsnapshotclass.yaml
+++ b/examples/rbd/groupsnapshotclass.yaml
@@ -14,6 +14,10 @@ parameters:
   # eg: pool: rbdpool
   pool: <rbd-pool-name>
 
+  # (optional) Prefix to use for naming RBD groups.
+  # If omitted, defaults to "csi-vol-group-".
+  # volumeGroupNamePrefix: "foo-bar-"
+
   csi.storage.k8s.io/group-snapshotter-secret-name: csi-rbd-secret
   csi.storage.k8s.io/group-snapshotter-secret-namespace: default
 deletionPolicy: Delete
diff --git a/internal/rbd/manager.go b/internal/rbd/manager.go
index 8b0d6a06448..ced7026fc02 100644
--- a/internal/rbd/manager.go
+++ b/internal/rbd/manager.go
@@ -346,8 +346,8 @@ func (mgr *rbdManager) GetVolumeGroupSnapshotByName(
 		return nil, errors.New("required 'pool' option missing in volume group parameters")
 	}
 
-	// groupNamePrefix is an optional parameter, can be an empty string
-	prefix := mgr.parameters["groupNamePrefix"]
+	// volumeGroupNamePrefix is an optional parameter, can be an empty string
+	prefix := mgr.parameters["volumeGroupNamePrefix"]
 
 	clusterID, err := util.GetClusterID(mgr.parameters)
 	if err != nil {
@@ -409,8 +409,8 @@ func (mgr *rbdManager) CreateVolumeGroupSnapshot(
 		return nil, err
 	}
 
-	// groupNamePrefix is an optional parameter, can be an empty string
-	prefix := mgr.parameters["groupNamePrefix"]
+	// volumeGroupNamePrefix is an optional parameter, can be an empty string
+	prefix := mgr.parameters["volumeGroupNamePrefix"]
 
 	clusterID, err := vg.GetClusterID(ctx)
 	if err != nil {