Update create-cluster-kubeadm.md (#6308)

Fix format.

docs/setup/independent/create-cluster-kubeadm.md

@@ -182,9 +182,9 @@ as root:
 ```
 To make kubectl work for your non-root user, you might want to run these commands (which is also a part of the `kubeadm init` output):
 ```
-  mkdir -p $HOME/.kube
-  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
-  sudo chown $(id -u):$(id -g) $HOME/.kube/config
+mkdir -p $HOME/.kube
+sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+sudo chown $(id -u):$(id -g) $HOME/.kube/config
 ```
 Alternatively, if you are the root user, you could run this:
 ```
@@ -226,7 +226,6 @@ kubectl apply -f <add-on.yaml>
 
 **NOTE:** You can install **only one** pod network per cluster.
 
-
 {% capture choose %}
 Please select one of the tabs to see installation instructions for the respective third-party Pod Network Provider.
 {% endcapture %}