doc the Kubernetes version feature of KubeFedCluster
@@ -34,12 +34,14 @@ Check the status of the joined clusters by using the following command.
```bash
kubectl -n kube-federation-system get kubefedclusters
-NAME READY AGE
-cluster1 True 1m
-cluster2 True 1m
+NAME AGE READY KUBERNETES-VERSION
+cluster1 1m True v1.21.2
+cluster2 1m True v1.22.0
```
+The Kubernetes version is checked periodically along with the cluster health check so that it would be automatically updated within the cluster health check period after a Kubernetes upgrade/downgrade of the cluster.
+
# Joining kind clusters on MacOS
A Kubernetes cluster deployed with [kind](https://sigs.k8s.io/kind) on Docker
