Update quarantine-quarantine-notifications.md

Author: chrisda

defender-office-365/quarantine-quarantine-notifications.md

@@ -34,7 +34,7 @@ appliesto:
 In Microsoft 365 organizations with mailboxes in Exchange Online or standalone Exchange Online Protection (EOP) organizations without Exchange Online mailboxes, quarantine holds potentially dangerous or unwanted messages. For more information, see [Quarantined messages in EOP](quarantine-about.md).
 
 > [!NOTE]
-> In Microsoft 365 operated by 21Vianet, quarantine isn't currently available in the Microsoft Defender portal. Quarantine is available only in the classic Exchange admin center (classic EAC).
+> In Microsoft 365 operated by 21Vianet in China, quarantine isn't currently available in the Microsoft Defender portal. Quarantine is available only in the classic Exchange admin center (classic EAC).
 
 For [supported protection features](quarantine-policies.md#step-2-assign-a-quarantine-policy-to-supported-features), _quarantine policies_ define what users are allowed to do to quarantined messages based on why the message was quarantined. Default quarantine policies enforce the historical capabilities for the security feature that quarantined the message as described in the table [here](quarantine-end-user.md). Admins can create and apply custom quarantine policies that define less restrictive or more restrictive capabilities for users. For more information, see [Create quarantine policies](quarantine-policies.md#step-1-create-quarantine-policies-in-the-microsoft-defender-portal).