diff --git a/index.md b/index.md
index e3f74be..07fe2b4 100644
--- a/index.md
+++ b/index.md
@@ -74,6 +74,7 @@ maxdepth: 2
 content-style-guide
 marketing
 decision-making
+reference-docs
 documentation
 documentation/shared-technical-notes
 ```