Update networking.md

Author: gabesmsft

articles/container-apps/networking.md

@@ -273,7 +273,7 @@ The name of the resource group created in the Azure subscription where your envi
 
 In addition to the [Azure Container Apps billing](./billing.md), you're billed for:
 
-- One standard static [public IP](https://azure.microsoft.com/pricing/details/ip-addresses/) for egress. If you need more IPs for egress due to SNAT issues, [open a support ticket to request an override](https://azure.microsoft.com/support/create-ticket/).
+- One standard static [public IP](https://azure.microsoft.com/pricing/details/ip-addresses/) for egress if using an internal or external environment, plus one standard static [public IP](https://azure.microsoft.com/pricing/details/ip-addresses/) for ingress if using an external environment. If you need more public IPs for egress due to SNAT issues, [open a support ticket to request an override](https://azure.microsoft.com/support/create-ticket/).
 
 - Two standard [Load Balancers](https://azure.microsoft.com/pricing/details/load-balancer/) if using an internal environment, or one standard [Load Balancer](https://azure.microsoft.com/pricing/details/load-balancer/) if using an external environment. Each load balancer has fewer than six rules. The cost of data processed (GB) includes both ingress and egress for management operations.