Fix a couple issues in docker-cli-to-kubectl.md

Author: a1russell

content/en/docs/reference/kubectl/docker-cli-to-kubectl.md

@@ -42,6 +42,7 @@ kubectl create deployment --image=nginx nginx-app
 # add env to nginx-app
 kubectl set env deployment/nginx-app  DOMAIN=cluster
 ```
+```
 deployment.apps/nginx-app created
 ```
 
@@ -52,7 +53,6 @@ kubectl set env deployment/nginx-app  DOMAIN=cluster
 ```
 deployment.apps/nginx-app env updated
 ```
-deployment.apps/nginx-app env updated
 
 {{< note >}}
 `kubectl` commands print the type and name of the resource created or mutated, which can then be used in subsequent commands. You can expose a new Service after a Deployment is created.