diff --git a/docs/index.rst b/docs/index.rst
index 469e876..4d5cb3c 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -33,12 +33,17 @@ Welcome to NixOS Mailserver's documentation!
    :maxdepth: 0
    :caption: How-to
 
+   autodiscovery
    backup-guide
+   flakes
+   rspamd-tuning
+
+.. toctree::
+   :maxdepth: 0
+   :caption: Integrations
+
    radicale
    roundcube
-   rspamd-tuning
-   flakes
-   autodiscovery
 
 Indices and tables
 ==================