diff --git a/windows/security/threat-protection/windows-defender-atp/TOC.md b/windows/security/threat-protection/windows-defender-atp/TOC.md
index c781c22502..ca8cb36899 100644
--- a/windows/security/threat-protection/windows-defender-atp/TOC.md
+++ b/windows/security/threat-protection/windows-defender-atp/TOC.md
@@ -120,7 +120,7 @@
 ## [Configure and manage capabilities](onboard.md)
 ### [Configure attack surface reduction](configure-attack-surface-reduction.md)
 ###Hardware-based isolation
-#### [System isolation](../windows-defender-system-guard/system-guard-secure-launch-and-smm-protection.md)
+#### [System integrity](../windows-defender-system-guard/system-guard-secure-launch-and-smm-protection.md)
 #### [Application isolation](../windows-defender-application-guard/install-wd-app-guard.md)
 ##### [Configuration settings](../windows-defender-application-guard/configure-wd-app-guard.md) 
 #### [Application control](../windows-defender-application-control/windows-defender-application-control.md)