diff --git a/devices/surface-hub/manage-windows-updates-for-surface-hub.md b/devices/surface-hub/manage-windows-updates-for-surface-hub.md
index 35787fbff1..b2e70af5d6 100644
--- a/devices/surface-hub/manage-windows-updates-for-surface-hub.md
+++ b/devices/surface-hub/manage-windows-updates-for-surface-hub.md
@@ -107,7 +107,7 @@ To connect Surface Hub to a WSUS server using MDM, set an appropriate [Update/Up
 
 **If you use a proxy server or other method to block URLs**
 If you use a method other than WSUS to block specific URLs and prevent updates, you will need to add the following Windows update trusted site URLs to the “allow list”:
-- http(s)://*.update.microsoft.com
+- http(s)://\*.update.microsoft.com
 - http://download.windowsupdate.com 
 - http://windowsupdate.microsoft.com