diff --git a/windows/threat-protection/windows-defender-atp/troubleshoot-onboarding-error-messages-windows-defender-advanced-threat-protection.md b/windows/threat-protection/windows-defender-atp/troubleshoot-onboarding-error-messages-windows-defender-advanced-threat-protection.md
index 10f8fbb28c..bf1c9e6d63 100644
--- a/windows/threat-protection/windows-defender-atp/troubleshoot-onboarding-error-messages-windows-defender-advanced-threat-protection.md
+++ b/windows/threat-protection/windows-defender-atp/troubleshoot-onboarding-error-messages-windows-defender-advanced-threat-protection.md
@@ -69,7 +69,7 @@ If the portal dashboard, and other sections show an error message such as "Data
 
 ![Image of data currently isn't available](images/atp-data-not-available.png)
 
-You'll need to whitelist the `security.windows.com` and all sub-domains under it.
+You'll need to whitelist the `security.windows.com` and all sub-domains under it. For example `*security.windows.com`.
 
 
 ## Related topics