Update api-management-using-with-vnet.md

dcbrown16 · web-flow · commit 723052334894 · 2020-04-20T18:11:41.000-07:00
diff --git a/articles/api-management/api-management-using-with-vnet.md b/articles/api-management/api-management-using-with-vnet.md
@@ -130,7 +130,7 @@ When an API Management service instance is hosted in a VNET, the ports in the fo
 
 + **DNS Access**: Outbound access on port 53 is required for communication with DNS servers. If a custom DNS server exists on the other end of a VPN gateway, the DNS server must be reachable from the subnet hosting API Management.
 
-+ **Metrics and Health Monitoring**: Outbound network connectivity to Azure Monitoring endpoints, which resolve under the following domains:
++ **Metrics and Health Monitoring**: Outbound network connectivity to Azure Monitoring endpoints, which resolve under the following domains. As shown in the table, these URLs are represented under the AzureMonitor service tag for use with Network Security Groups.
 
     | Azure Environment | Endpoints                                                                                                                                                                                                                                                                                                                                                              |
     |-------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
