tweaks per saurya

Author: mlhoop

articles/aks/private-clusters.md

@@ -6,7 +6,7 @@ author: mlearned
 
 ms.service: container-service
 ms.topic: article
-ms.date: 12/10/2019
+ms.date: 1/24/2020
 ms.author: mlearned
 ---
 
@@ -124,14 +124,16 @@ The API server endpoint has no public IP address. Consequently, you must create
 
 ## Dependencies  
 * The Private Link service is supported on Standard Azure Load Balancer only. Basic Azure Load Balancer isn't supported.  
+* To use a custom DNS server, deploy an AD server with DNS to forward to this IP 168.63.129.16
 
 ## Limitations 
+* Availability Zones are not currently supported
 * [Azure Private Link service limitations][private-link-service] apply to private clusters, Azure private endpoints, and virtual network service endpoints, which aren't currently supported in the same virtual network.
-* No support for virtual nodes in a private cluster to spin private Azure Container Instances (ACI) in a private Azure virtual network.
-* No support for Azure DevOps integration out of the box with private clusters.
+* No support for virtual nodes in a private cluster to spin private Azure Container Instances (ACI) in a private Azure virtual network
+* No support for Azure DevOps integration out of the box with private clusters
 * For customers that need to enable Azure Container Registry to work with private AKS, the Container Registry virtual network must be peered with the agent cluster virtual network.
-* No current support for Azure Dev Spaces.
-* No support for converting existing AKS clusters into private clusters.  
+* No current support for Azure Dev Spaces
+* No support for converting existing AKS clusters into private clusters
 * Deleting or modifying the private endpoint in the customer subnet will cause the cluster to stop functioning. 
 * Azure Monitor for containers Live Data isn't currently supported.
 * *Bring your own DNS* isn't currently supported.