diff --git a/windows/security/threat-protection/microsoft-defender-atp/TOC.md b/windows/security/threat-protection/microsoft-defender-atp/TOC.md
index 8411e3bcca..d3d5af0e28 100644
--- a/windows/security/threat-protection/microsoft-defender-atp/TOC.md
+++ b/windows/security/threat-protection/microsoft-defender-atp/TOC.md
@@ -396,7 +396,7 @@
  
 
 
-## [Troubleshoot Windows Defender ATP](troubleshoot-wdatp.md)
+## [Troubleshoot Windows Defender ATP](troubleshoot-mdatp.md)
 ###Troubleshoot sensor state
 #### [Check sensor state](check-sensor-status.md)
 #### [Fix unhealthy sensors](fix-unhealthy-sensors.md)