Update 'kubernetes-example/kubectl-intro.md'

kubernetes-example/kubectl-intro.md

@@ -8,7 +8,7 @@ These are two approaches to create the description in Kuberentes:
 # create a namespace 
 kubectl create namespace web-test
 
-# Then choose one of the following ways:
+# Then choose one way:
 # (1) Create the description
 kubectl create -f nginx.yml -f service.yml
 
@@ -31,7 +31,7 @@ kubectl get -n web-test pods
 kubectl get -n web-test deployment
 
 # show services for our namespace
-kubectl get -n web-test service
+kubectl show -n web-test service
 
 # show logs of deployed nginx instances
 kubectl logs -n web-test deployment/nginx-deployment
@@ -67,7 +67,6 @@ The nginx instances are reachable at the floating ips of the **node**-instances
 
 ### Nginx description
 
-*nginx.yml:*
 ```yml
 apiVersion: apps/v1
 kind: Deployment
@@ -94,7 +93,6 @@ spec:
 
 ### Nginx service description
 
-*service.yml:*
 ```yml
 apiVersion: v1
 kind: Service
@@ -111,5 +109,5 @@ spec:
       targetPort: 80
       # Optional field
       # By default and for convenience, the Kubernetes control plane will allocate a port from a range (default: 30000-32767)
-      nodePort: 30007
+      nodePort: 3000
 ```