diff --git a/content/2.general-concepts/0.index.md b/content/2.general-concepts/0.index.md
index ab2bcf2daf4d8400fc60c0bfef2dd4a475241176..5cde20e45247ae918b114d1c63250a60bd9b2a72 100644
--- a/content/2.general-concepts/0.index.md
+++ b/content/2.general-concepts/0.index.md
@@ -1,6 +1,6 @@
 ---
 title: General Concepts
-toc: False
+toc: true
 layout: article
 ---