added to toc

Author: anaharris-ms

articles/reliability/availability-zones-baseline.md

@@ -118,7 +118,7 @@ If multi-region is needed, or when availability zones aren't available in the Az
 
 - To learn about testing your applications for availability and resiliency, see [Testing applications for availability and resiliency](/azure/architecture/framework/resiliency/testing).
 
-- Each data center in a region is assigned to a physical zone. Physical zones are mapped to the logical zones in your Azure subscription. Azure subscriptions are automatically assigned this mapping at the time a subscription is created. You can use the dedicated ARM REST API, [listLocations](rest/api/resources/subscriptions/list-locations?tabs=HTTP) and set the API version to 2022-12-01 to list the logical zone mapping to physical zone for your subscription. This information is important for critical application components that require co-location with Azure resources categorized as [Strategic services](/azure/reliability/availability-service-by-category#strategic-services) which may not be available in all physical zones.
+- Each data center in a region is assigned to a physical zone. Physical zones are mapped to the logical zones in your Azure subscription. Azure subscriptions are automatically assigned this mapping at the time a subscription is created. You can use the dedicated ARM REST API, [listLocations](/rest/api/resources/subscriptions/list-locations?tabs=HTTP) and set the API version to 2022-12-01 to list the logical zone mapping to physical zone for your subscription. This information is important for critical application components that require co-location with Azure resources categorized as [Strategic services](/azure/reliability/availability-service-by-category#strategic-services) which may not be available in all physical zones.
 
 - Inter-zone bandwidth charges apply when traffic moves across zones. To learn more about bandwidth pricing, see [Bandwidth pricing](https://azure.microsoft.com/pricing/details/bandwidth/).