diff --git a/checking/toc.yaml b/checking/toc.yaml
index cce8c8e..d247395 100644
--- a/checking/toc.yaml
+++ b/checking/toc.yaml
@@ -1,5 +1,5 @@
 sections:
-title: "Table of Contents"
+  - title: "Table of Contents"
     sections:
       - title: "Introduction to Checking"
         sections: