diff --git a/windows/security/threat-protection/windows-defender-atp/troubleshoot-onboarding-error-messages-windows-defender-advanced-threat-protection.md b/windows/security/threat-protection/windows-defender-atp/troubleshoot-onboarding-error-messages-windows-defender-advanced-threat-protection.md
index d17f45e798..eee538a7aa 100644
--- a/windows/security/threat-protection/windows-defender-atp/troubleshoot-onboarding-error-messages-windows-defender-advanced-threat-protection.md
+++ b/windows/security/threat-protection/windows-defender-atp/troubleshoot-onboarding-error-messages-windows-defender-advanced-threat-protection.md
@@ -73,7 +73,7 @@ You'll need to whitelist the `securitycenter.windows.com` and all sub-domains un
 
 
 ## Portal communication issues
-If you encounter issues with accessing the portal, missing data, or restricted access to portions of the portal, you'll need to verify that the following urls are whitelisted and open for communciation.
+If you encounter issues with accessing the portal, missing data, or restricted access to portions of the portal, you'll need to verify that the following URLs are whitelisted and open for communciation.
 
 - `*.blob.core.windows.net 
 crl.microsoft.com`