GlusterFS: Minor template fixes

Signed-off-by: Jose A. Rivera <jarrpa@redhat.com>

roles/openshift_storage_glusterfs/files/v3.6/deploy-heketi-template.yml

@@ -116,13 +116,14 @@ parameters:
   description: Set the namespace where the GlusterFS pods reside
   value: default
 - name: IMAGE_NAME
-  displayName: heketi container name
+  displayName: heketi container image name
   required: True
 - name: IMAGE_VERSION
-  displayName: heketi container versiona
+  displayName: heketi container image version
   required: True
 - name: CLUSTER_NAME
   displayName: GlusterFS cluster name
+  description: A unique name to identify this heketi service, useful for running multiple heketi instances
   value: glusterfs
 - name: TOPOLOGY_PATH
   displayName: heketi topology file location

roles/openshift_storage_glusterfs/files/v3.6/glusterfs-template.yml

@@ -125,11 +125,12 @@ parameters:
   description: Labels which define the daemonset node selector. Must contain at least one label of the format \'glusterfs=<CLUSTER_NAME>-host\'
   value: '{ "glusterfs": "storage-host" }'
 - name: IMAGE_NAME
-  displayName: GlusterFS container name
+  displayName: GlusterFS container image name
   required: True
 - name: IMAGE_VERSION
-  displayName: GlusterFS container versiona
+  displayName: GlusterFS container image version
   required: True
 - name: CLUSTER_NAME
   displayName: GlusterFS cluster name
+  description: A unique name to identify which heketi service manages this cluster, useful for running multiple heketi instances
   value: storage

roles/openshift_storage_glusterfs/files/v3.6/heketi-template.yml

@@ -110,11 +110,12 @@ parameters:
   description: Set the namespace where the GlusterFS pods reside
   value: default
 - name: IMAGE_NAME
-  displayName: heketi container name
+  displayName: heketi container image name
   required: True
 - name: IMAGE_VERSION
-  displayName: heketi container versiona
+  displayName: heketi container image version
   required: True
 - name: CLUSTER_NAME
   displayName: GlusterFS cluster name
+  description: A unique name to identify this heketi service, useful for running multiple heketi instances
   value: glusterfs