clarifying regions

Author: khdownie

articles/storage/files/storage-files-identity-auth-azure-active-directory-enable.md

@@ -51,7 +51,7 @@ Azure AD Kerberos authentication only supports using AES-256 encryption.
 
 ## Regional availability
 
-Azure Files authentication with Azure AD Kerberos is available in Azure public cloud in [all Azure regions](https://azure.microsoft.com/global-infrastructure/locations/) except Government (Fairfax) and China (Mooncake).
+Azure Files authentication with Azure AD Kerberos is available in Azure public cloud in [all Azure regions](https://azure.microsoft.com/global-infrastructure/locations/) except China and Government clouds.
 
 ## Enable Azure AD Kerberos authentication for hybrid user accounts (preview)