diff --git a/windows/security/book/index.yml b/windows/security/book/index.yml
index 52ffea9029..c4eef0df78 100644
--- a/windows/security/book/index.yml
+++ b/windows/security/book/index.yml
@@ -17,7 +17,7 @@ landingContent:
 
   - title: Table of contents
     linkLists:
-      - linkListType: learn
+      - linkListType: concept
         links:
           - text: Introduction
             url: introduction.md