Update load-balancer-health-event-logs-preview.md

Updated Preview message Per product team.

Author: mbender-ms

includes/load-balancer-health-event-logs-preview.md

@@ -11,7 +11,13 @@ ms.custom: include-file
 ---
 
 > [!IMPORTANT]
-> LoadBalancerHealthEvent logs for Azure Load Balancer are currently in Preview. This means the log structure, event types, publishing behavior, and other aspects of this feature may change in response to feedback. 
+> LoadBalancerHealthEvent logs for Azure Load Balancer are currently in Preview and is available in the following regions:
+> 
+> - West Central US
+> - Central US, East Asia
+> - Australia East.
+> 
+> While in Preview, the log structure, event types, publishing behavior, and other aspects of this feature may change in response to feedback.
 >
 > This preview version is provided without a service level agreement, and it's not recommended for production workloads. Certain features might not be supported or might have constrained capabilities.
 > For more information, see [Supplemental Terms of Use for Microsoft Azure Previews](https://azure.microsoft.com/support/legal/preview-supplemental-terms/).