added vmss section to networking overview under load balancer

Author: asudbring

articles/virtual-machine-scale-sets/virtual-machine-scale-sets-networking.md

@@ -66,7 +66,7 @@ az vmss create \
 >[!NOTE]
 > After the scale set has been created, the backend port cannot be modified for a load balancing rule used by a health probe of the load balancer. To change the port, you can remove the health probe by updating the Azure virtual machine scale set, update the port and then configure the health probe again. 
 
-For more information on load balancer and virtual machine scale sets, see **[Virtual networks and virtual machines in Azure](../../includes/virtual-machines-common-network-overview.md).
+For more information on load balancer and virtual machine scale sets, see **[Virtual networks and virtual machines in Azure](../../includes/virtual-machines-common-network-overview.md).**
 
 Below is the methods that can be used to deploy a virtual machine scale set with an existing Azure load balancer.