Merge pull request #307956 from Miskatonic-Electronic/patch-86

Update understanding-pricing.md

Author: JamesJBarnett

articles/application-gateway/for-containers/understanding-pricing.md

@@ -32,8 +32,7 @@ Application Gateway for Containers consists of four billable items:
 - Association resource 
 - Capacity units
 
-> [!NOTE]
-> Currently, there's no additional charge to enable Web Application Firewall (WAF) on Application Gateway for Containers beyond the added capacity units required to process requests.
+When you enable Web Application Firewall (WAF) on your Application Gateway for Containers resource you're billed at the higher WAF rates for each meter and will incur higher capacity unit usage to run the WAF.
 
 #### Application Gateway for Containers hour
 
@@ -61,12 +60,12 @@ The parameter with the highest utilization is internally used for calculating ca
 
 Estimated costs are used for the East US 2 region. 
 
-| Meter | Price |
-| ----- | ----- |
-| Application Gateway for Container | $0.017 per application gateway for container-hour |
-| Frontend | $0.01 per frontend-hour |
-| Association | $0.12 per association-hour |
-| Capacity Unit | $0.008 per capacity unit-hour |
+| Meter | Price | Price with WAF |
+| ----- | ----- | ----- |
+| Application Gateway for Container | $0.017 per application gateway for container-hour | $0.031 per application gateway for container WAF-hour |
+| Frontend | $0.01 per frontend-hour | $0.018 per frontend WAF-hour |
+| Association | $0.12 per association-hour | $0.216 per association WAF-hour |
+| Capacity Unit | $0.008 per capacity unit-hour | $0.014 per capacity unit WAF-hour |
 
 For the latest pricing information according to your region, see the [pricing page](https://azure.microsoft.com/pricing/details/application-gateway/).