Merge pull request #223518 from amsliu/licensing-update

licensing update

Author: prmerger-automator[bot]

articles/active-directory/governance/access-reviews-overview.md

@@ -11,7 +11,7 @@ ms.workload: identity
 ms.tgt_pltfrm: na
 ms.topic: overview
 ms.subservice: compliance
-ms.date: 12/27/2022
+ms.date: 1/10/2023
 ms.author: amsliu
 ms.reviewer: mwahl
 ms.collection: M365-identity-device-management
@@ -102,6 +102,9 @@ Here are some example license scenarios to help you determine the number of lice
 
 \* Azure AD External Identities (guest user) pricing is based on monthly active users (MAU), which is the count of unique users with authentication activity within a calendar month. This model replaces the 1:5 ratio billing model, which allowed up to five guest users for each Azure AD Premium license in your tenant. When your tenant is linked to a subscription and you use External Identities features to collaborate with guest users, you'll be automatically billed using the MAU-based billing model. For more information, see [Billing model for Azure AD External Identities](../external-identities/external-identities-pricing.md).
 
+> [!NOTE]
+> Access Reviews for Service Principals requires an Entra Workload Identities Premium plan in addition to Azure AD Premium P2 license. You can view and acquire licenses on the [Workload Identities blade](https://portal.azure.com/#view/Microsoft_Azure_ManagedServiceIdentity/WorkloadIdentitiesBlade) in the Azure portal.
+
 ## Next steps
 
 - [Prepare for an access review of users' access to an application](access-reviews-application-preparation.md)