Merge pull request #7091 from mhmxs/patch-1

Fixing wrong KUBE_DNS_NAME at running locally

Author: k8s-ci-robot

contributors/devel/running-locally.md

@@ -177,7 +177,7 @@ To start the DNS service, you need to set the following variables:
 ```sh
 KUBE_ENABLE_CLUSTER_DNS=true
 KUBE_DNS_SERVER_IP="10.0.0.10"
-KUBE_DNS_DOMAIN="cluster.local"
+KUBE_DNS_NAME="cluster.local"
 ```
 
 To know more on DNS service you can check out the [docs](http://kubernetes.io/docs/admin/dns/).