fixes

Author: asudbring

articles/virtual-network/nat-gateway/nat-overview.md

@@ -89,6 +89,8 @@ For information on the SLA, see [SLA for Virtual Network NAT](https://azure.micr
 ## Next steps
 
 * To create and validate a NAT gateway, see [Tutorial: Create a NAT gateway using the Azure portal](tutorial-create-nat-gateway-portal.md)
+
 * To view a video on more information about Azure Virtual Network NAT, see [How to get better outbound connectivity using an Azure NAT gateway](https://www.youtube.com/watch?v=2Ng_uM0ZaB4)
+
 * Learn about [NAT gateway resource](./nat-gateway-resource.md)