diff --git a/pages/user_documentation.rst b/pages/user_documentation.rst
index 86ae7299..317978d3 100644
--- a/pages/user_documentation.rst
+++ b/pages/user_documentation.rst
@@ -10,6 +10,7 @@
  Radicale calendar and contact Server.
 
 .. contents::
+   :depth: 3
 
 Installation
 ============