Update modules/ROOT/pages/getting-started.adoc

Co-authored-by: Techassi <[email protected]>

Author: csautter

modules/ROOT/pages/getting-started.adoc

@@ -243,7 +243,7 @@ kubectl exec -i -t simple-zk-server-primary-0 -- bin/zkCli.sh
 # optional, determine the port
 PORT=$(kubectl get pod simple-zk-server-primary-0 -o=jsonpath='{.spec.containers[0].ports[0].containerPort}')
 echo $PORT
-kubectl exec -i -t simple-zk-server-primary-0 -- bin/zkCli.sh -server localhost:$PORT
+kubectl exec -i -t simple-zk-server-primary-0 -- bin/zkCli.sh -server "localhost:$PORT"
 ----
 
 The shell should connect automatically to the ZooKeeper server running on the pod. You can run the `ls /` command to see the list of znodes in the root path, which should include those created by Apache Kafka and Apache NiFi.