Update free-standard-pricing-tiers.md

Author: JasonWHowell

articles/aks/free-standard-pricing-tiers.md

@@ -83,7 +83,7 @@ Once the deployment completes, it returns JSON-formatted information about your
 
 ## Update the tier of an existing AKS cluster
 
-The following example uses the `az aks update` command to update the existing cluster.
+The following example uses the [`az aks update`](/cli/azure/aks#az_aks_update) command to update the existing cluster.
 
 ```azurecli-interactive
 # Update an existing cluster to the Free tier
@@ -114,4 +114,4 @@ This process takes several minutes to complete. When finished, the following exa
 [availability-zones]: ./availability-zones.md
 [az-aks-create]: /cli/azure/aks?#az_aks_create
 [private-clusters]: private-clusters.md
-[install-azure-cli]: /cli/azure/install-azure-cli
+[install-azure-cli]: /cli/azure/install-azure-cli