Update whats-new.md

Author: alkohli

azure-local/whats-new.md

@@ -32,7 +32,7 @@ For more information, see [Release information summary](./release-information-23
 This release has the following features and improvements:
 
 - **OS version changes**:
-    - Starting 2504, all new Azure Local deployments use a new operating system (OS) version **261000.3775**. You can download the 2504 OS image from the Azure portal. You also need to get the driver compatible with Azure Local 12.2504 or Windows Server 2025. Existing deployments continue to use the OS version **23598.1551**. For more information, see [Release information summary](./release-information-23h2.md).
+    - Starting 2504, all new Azure Local deployments use a new operating system (OS) version **261000.3775**. You can download the 2504 OS image from the Azure portal. You also need to get the driver compatible with Azure Local 12.2504 or Windows Server 2025. Existing deployments continue to use the OS version **25398.1551**. For more information, see [Release information summary](./release-information-23h2.md).
     - If you've purchased Integrated System or Premier solution hardware from the [Azure Local Catalog](https://aka.ms/AzureStackHCICatalog) through your preferred Microsoft hardware partner, the OS should be preinstalled. Work with your Original Equipment Manufacturer (OEM) to get the OS image compatible with **12.2504** and driver compatible with Azure Local 12.2504 or Windows Server 2025.
 
 - **.NET update installations improvements**: