OSSMDOC-641: Update Federation for OSSM 2.2.

Author: JStickler

modules/ossm-federation-checklist.adoc

@@ -12,15 +12,15 @@ Federating services meshes involves the following activities:
 
 ** [ ] Configure the load balancers supporting the services associated with the federation gateways to support raw TLS traffic.
 
-* [ ] Installing the {SMProductName} version 2.1 Operator in each of your clusters.
+* [ ] Installing the {SMProductName} version 2.1 or later Operator in each of your clusters.
 
-* [ ] Deploying a version 2.1 `ServiceMeshControlPlane` to each of your clusters.
+* [ ] Deploying a version 2.1 or later `ServiceMeshControlPlane` to each of your clusters.
 
 * [ ] Configuring the SMCP for federation for each mesh that you want to federate:
 
-** [ ] Create a federation egress gateway for each mesh you are going to federate with
-** [ ] Create a federation ingress gateway for each mesh you are going to federate with
-** [ ] Configure a unique trust domain
+** [ ] Create a federation egress gateway for each mesh you are going to federate with.
+** [ ] Create a federation ingress gateway for each mesh you are going to federate with.
+** [ ] Configure a unique trust domain.
 
 * [ ] Federate two or more meshes by creating a `ServiceMeshPeer` resource for each mesh pair.