Merge pull request #100340 from anzaman/master

Added details about variables

Author: PRMerger13

articles/vpn-gateway/vpn-gateway-howto-always-on-user-tunnel.md

@@ -95,9 +95,10 @@ After you've configured the virtual network gateway and installed the client cer
    ```
 1. Copy the following text, and save it as *VPNProfile.xml* in the same folder as *usercert.ps1*. Edit the following text to match your environment:
 
-   * `<Servers>azuregateway-1234-56-78dc.cloudapp.net</Servers>`
-   * `<Address>192.168.3.5</Address>`
-   * `<Address>192.168.3.4</Address>`
+   * `<Servers>azuregateway-1234-56-78dc.cloudapp.net</Servers>  <= Can be found in the VpnSettings.xml in the downloaded profile zip file`
+   * `<Address>192.168.3.5</Address>  <= IP of resource in the vnet or the vnet address space`
+   * `<Address>192.168.3.4</Address>  <= IP of resource in the vnet or the vnet address space`
+   * `<PrefixSize>32</PrefixSize>     <= Subnet mask`
 
    ```
 	<VPNProfile>