Update articles/aks/nat-gateway.md

Co-authored-by: Chase Wilson <[email protected]>

Author: aimee-littleton

articles/aks/nat-gateway.md

@@ -36,9 +36,6 @@ This article shows you how to create an Azure Kubernetes Service (AKS) cluster w
         --outbound-type managedNATGateway \
         --nat-gateway-managed-outbound-ip-count 2 \
         --nat-gateway-idle-timeout 4
-  ```
-
-### Update the number of outbound IP addresses
 
 * Update the outbound IP address or idle timeout using the [`az aks update`][az-aks-update] command with the `--nat-gateway-managed-outbound-ip-count` or `--nat-gateway-idle-timeout` parameter.