diff --git a/windows/security/threat-protection/TOC.md b/windows/security/threat-protection/TOC.md
index 4a9b3147d2..f1b3316617 100644
--- a/windows/security/threat-protection/TOC.md
+++ b/windows/security/threat-protection/TOC.md
@@ -47,6 +47,7 @@
 ### [Next-generation protection]()
 #### [Next-generation protection](windows-defender-antivirus/windows-defender-antivirus-in-windows-10.md)
 #### [Behavioral blocking in next-generation protection](windows-defender-antivirus/next-gen-behavior-blocking.md)
+#### s[Shadow protection in next-generation protection](windows-defender-antivirus/shadow-protection.md)
 #### [Better together: Windows Defender Antivirus and Microsoft Defender ATP](windows-defender-antivirus/why-use-microsoft-antivirus.md)
 #### [Better together: Windows Defender Antivirus and Office 365](windows-defender-antivirus/office-365-windows-defender-antivirus.md)