Minor fixes in CUDN docs

Author: Steven Smith

modules/nw-cudn-cr.adoc

@@ -85,14 +85,14 @@ spec:
     matchExpressions: # <3>
     - key: kubernetes.io/metadata.name # <4>
       operator: In # <5>
-      values: ["<example_namespace_one>, <example_namespace_two>"] # <6>
+      values: ["<example_namespace_one>", "<example_namespace_two>"] # <6>
   network: # <7>
     topology: Layer3 # <8>
     layer3: # <9>
       role: Primary # <10>
       subnets: # <11>
         - cidr: 10.100.0.0/16
-          hostSubnet: 64
+          hostSubnet: 24
 ----
 <1> Name of your `ClusterUserDefinedNetwork` CR.
 <2> A label query over the set of namespaces that the cluster UDN applies to. Uses the standard Kubernetes `MatchLabel` selector. Must not point to `default` or `openshift-*` namespaces.