diff --git a/windows/deployment/update/wufb-wsus.md b/windows/deployment/update/wufb-wsus.md
index 7feb6b10b2..3196b89771 100644
--- a/windows/deployment/update/wufb-wsus.md
+++ b/windows/deployment/update/wufb-wsus.md
@@ -76,3 +76,7 @@ The policy can be configured using the following two methods:
 - [Update/SetPolicyDrivenUpdateSourceForFeatureUpdates](/windows/client-management/mdm/policy-csp-update#update-setpolicydrivenupdatesourceforfeature)
 - [Update/SetPolicyDrivenUpdateSourceForOtherUpdates](/windows/client-management/mdm/policy-csp-update#update-setpolicydrivenupdatesourceforother)
 - [Update/SetPolicyDrivenUpdateSourceForQualityUpdates](/windows/client-management/mdm/policy-csp-update#update-setpolicydrivenupdatesourceforquality)
+
+
+> [!NOTE]
+> Editing the registry to change the behavior of update policies isn't recommended. Use Group Policy or the Configuration Service Provider (CSP) policy instead of directly writing to the registry. However, if you choose to edit the registry, ensure you've configured the `UseUpdateClassPolicySource` registry key too, or the scan source won't be alterred.