tweak code snippets (#9977)

content/en/docs/concepts/services-networking/add-entries-to-pod-etc-hosts-with-host-aliases.md

@@ -22,10 +22,20 @@ Modification not using HostAliases is not suggested because the file is managed
 Lets start an Nginx Pod which is assigned a Pod IP:
 
 ```shell
-$ kubectl run nginx --image nginx --generator=run-pod/v1
-pod "nginx" created
+kubectl run nginx --image nginx --generator=run-pod/v1
+```
 
-$ kubectl get pods --output=wide
+```shell
+pod/nginx created
+```
+
+Examine a Pod IP:
+
+```shell
+kubectl get pods --output=wide
+```
+
+```shell
 NAME     READY     STATUS    RESTARTS   AGE    IP           NODE
 nginx    1/1       Running   0          13s    10.200.0.4   worker0
 ```
@@ -33,7 +43,10 @@ nginx    1/1       Running   0          13s    10.200.0.4   worker0
 The hosts file content would look like this:
 
 ```shell
-$ kubectl exec nginx -- cat /etc/hosts
+kubectl exec nginx -- cat /etc/hosts
+```
+
+```none
 # Kubernetes-managed hosts file.
 127.0.0.1	localhost
 ::1	localhost ip6-localhost ip6-loopback
@@ -59,18 +72,31 @@ In addition to the default boilerplate, we can add additional entries to the
 This Pod can be started with the following commands:
 
 ```shell
-$ kubectl apply -f hostaliases-pod.yaml
-pod "hostaliases-pod" created
+kubectl apply -f hostaliases-pod.yaml
+```
 
-$ kubectl get pod -o=wide
+```shell
+pod/hostaliases-pod created
+```
+
+Examine a Pod IP and status:
+
+```shell
+kubectl get pod -o=wide
+```
+
+```shell
 NAME                           READY     STATUS      RESTARTS   AGE       IP              NODE
-hostaliases-pod                0/1       Completed   0          6s        10.244.135.10   node3
+hostaliases-pod                0/1       Completed   0          6s        10.200.0.5      worker0
 ```
 
 The `hosts` file content would look like this:
 
 ```shell
-$ kubectl logs hostaliases-pod
+kubectl logs hostaliases-pod
+```
+
+```none
 # Kubernetes-managed hosts file.
 127.0.0.1	localhost
 ::1	localhost ip6-localhost ip6-loopback
@@ -78,7 +104,9 @@ fe00::0	ip6-localnet
 fe00::0	ip6-mcastprefix
 fe00::1	ip6-allnodes
 fe00::2	ip6-allrouters
-10.244.135.10	hostaliases-pod
+10.200.0.5	hostaliases-pod
+
+# Entries added by HostAliases.
 127.0.0.1	foo.local
 127.0.0.1	bar.local
 10.1.2.3	foo.remote