Updated misspelling -Serve

Corrected misspelling from Serve to Server

Author: da5is

articles/vpn-gateway/point-to-site-how-to-radius-ps.md

@@ -131,7 +131,7 @@ Before creating and configuring the virtual network gateway, your RADIUS server
 
 1. If you don’t have a RADIUS server deployed, deploy one. For deployment steps, refer to the setup guide provided by your RADIUS vendor.  
 2. Configure the VPN gateway as a RADIUS client on the RADIUS. When adding this RADIUS client, specify the virtual network GatewaySubnet that you created. 
-3. Once the RADIUS serve is set up, get the RADIUS server's IP address and the shared secret that RADIUS clients should use to talk to the RADIUS server. If the RADIUS server is in the Azure VNet, use the CA IP of the RADIUS server VM.
+3. Once the RADIUS server is set up, get the RADIUS server's IP address and the shared secret that RADIUS clients should use to talk to the RADIUS server. If the RADIUS server is in the Azure VNet, use the CA IP of the RADIUS server VM.
 
 The [Network Policy Server (NPS)](https://docs.microsoft.com/windows-server/networking/technologies/nps/nps-top) article provides guidance about configuring a Windows RADIUS server (NPS) for AD domain authentication.