diff --git a/doc/source/index.rst b/doc/source/index.rst
index fad3a36..494a0b6 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -14,11 +14,16 @@
    readme
    installation
    contributing
+   configref
 
 Indices and tables
 ==================
 
+.. toctree::
+   :hidden:
+
+   _build/modules/modules
+
 * :ref:`genindex`
 * :ref:`modindex`
 * :ref:`search`
-