diff --git a/windows/security/threat-protection/microsoft-defender-atp/attack-surface-reduction.md b/windows/security/threat-protection/microsoft-defender-atp/attack-surface-reduction.md
index 8d36dbefc9..49da59cd29 100644
--- a/windows/security/threat-protection/microsoft-defender-atp/attack-surface-reduction.md
+++ b/windows/security/threat-protection/microsoft-defender-atp/attack-surface-reduction.md
@@ -63,7 +63,7 @@ Warn mode helps your organization have attack surface reduction rules in place w
 Warn mode is supported on devices running the following versions of Windows:
 - [Windows 10, version 1809](https://docs.microsoft.com/windows/whats-new/whats-new-windows-10-version-1809) or later
 - [Windows Server, version 1809](https://docs.microsoft.com/windows-server/get-started/whats-new-in-windows-server-1809) or later
-- Microsoft Defender antivirus with Real-time protection running in [Active mode](https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility#functionality-and-features-available-in-each-state) 
+- Microsoft Defender antivirus with Real-time protection running in [Active mode](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/microsoft-defender-antivirus-compatibility#functionality-and-features-available-in-each-state) 
 
 In addition, make sure [Microsoft Defender Antivirus and antimalware updates](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-antivirus/manage-updates-baselines-microsoft-defender-antivirus#monthly-platform-and-engine-versions) are installed   
 - Minimum platform release requirement: `4.18.2008.9`