update NAT GW scale link

Author: aimee-littleton

articles/app-service/networking/nat-gateway-integration.md

@@ -79,7 +79,7 @@ az network vnet subnet update --resource-group [myResourceGroup] --vnet-name [my
 
 The same NAT gateway can be used across multiple subnets in the same Virtual Network allowing a NAT gateway to be used across multiple apps and App Service plans.
 
-NAT gateway supports both public IP addresses and public IP prefixes. A NAT gateway can support up to 16 IP addresses across individual IP addresses and prefixes. Each IP address allocates 64,512 ports (SNAT ports) allowing up to 1M available ports. Learn more in the [Scaling section](../../virtual-network/nat-gateway/nat-gateway-resource.md#scale-nat-gateway) of NAT gateway.
+NAT gateway supports both public IP addresses and public IP prefixes. A NAT gateway can support up to 16 IP addresses across individual IP addresses and prefixes. Each IP address allocates 64,512 ports (SNAT ports) allowing up to 1M available ports. Learn more in the [Scaling section](../../virtual-network/nat-gateway/nat-gateway-resource.md#scalability) of NAT gateway.
 
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