[Doc Improvement] Branding name update (#14254)

* Update sovereign-cloud.md

* Update sovereign-cloud.md

Author: SirajShaik-MSFT

msteams-platform/concepts/sovereign-cloud.md

@@ -4,7 +4,7 @@ author: v-preethah
 description: Learn about sovereign clouds and the Teams features and capabilities available for Teams operated by 21Vianet, a cloud service specific to China.
 ms.topic: conceptual
 ms.localizationpriority: high
-ms.date: 02/06/2025
+ms.date: 04/23/2026
 ---
 
 # Plan for sovereign clouds
@@ -47,7 +47,7 @@ The following table details the apps and its capabilities supported for Teams op
 
 ### Service and availability
 
- The features that are available in Teams depends on the Office 365 plan purchased. For more information, see [feature availability](/office365/servicedescriptions/office-365-platform-service-description/teams-operated-by-21vianet) in Teams operated by 21Vianet.
+ The features that are available in Teams depends on the Microsoft 365 plan purchased. For more information, see [feature availability](/office365/servicedescriptions/office-365-platform-service-description/teams-operated-by-21vianet) in Teams operated by 21Vianet.
 
 ## See also