tested code

Author: DocGailZhou

infra/main.bicep

@@ -60,7 +60,7 @@ param enableScaling bool = false
 @description('Optional. Enable redundancy for applicable resources. Defaults to false.')
 param enableRedundancy bool = false
 
-@description('Optional. The secondary location for the Cosmos DB account if redundancy is enabled. Defaults to false.')
+@description('Optional. The secondary location for the Cosmos DB account if redundancy is enabled.')
 param secondaryLocation string?
 
 @description('Optional. Enable private networking for the resources. Set to true to enable private networking. Defaults to false.')

infra/modules/ai-foundry/main.bicep

@@ -95,7 +95,6 @@ module openAiPrivateDnsZone '../privateDnsZone.bicep' = if (privateNetworking !=
   }
 }
 
-// added
 module aiServicesPrivateDnsZone '../privateDnsZone.bicep' = if (privateNetworking != null && empty(privateNetworking.?aiServicesPrivateDnsZoneResourceId)) {
   name: take('${name}-ai-services-pdns-deployment', 64)
   params: {
@@ -116,7 +115,6 @@ var openAIPrivateDnsZoneResourceId = privateNetworking != null
       : privateNetworking.?openAIPrivateDnsZoneResourceId)
   : ''
 
-
 var aiServicesPrivateDnsZoneResourceId = privateNetworking != null
   ? (empty(privateNetworking.?aiServicesPrivateDnsZoneResourceId)
       ? aiServicesPrivateDnsZone.outputs.resourceId ?? ''