Update content/en/docs/tutorials/hello-minikube.md

Explanation that the app itself listens on 8080 port only.

Co-authored-by: Tim Bannister <tim@scalefactory.com>

content/en/docs/tutorials/hello-minikube.md

@@ -137,7 +137,8 @@ Kubernetes [*Service*](/docs/concepts/services-networking/service/).
     The `--type=LoadBalancer` flag indicates that you want to expose your Service
     outside of the cluster.
 
-    Please note that the Pod won't show up under ports other than 8080.
+    The application code inside the image `k8s.gcr.io/echoserver` only listens on TCP port 8080. If you used
+    `kubectl expose` to expose a different port, clients could not connect to that other port.
 
 2. View the Service you just created:
 
@@ -285,4 +286,3 @@ minikube delete
 * Learn more about [Deploying applications](/docs/tasks/run-application/run-stateless-application-deployment/).
 * Learn more about [Service objects](/docs/concepts/services-networking/service/).
 
-