diff --git a/docs/index.rst b/docs/index.rst
index 47f866d..6314af6 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -2,4 +2,6 @@
    :maxdepth: 2
    :caption: Contents:
 
+   modules.rst
+
 .. include:: ../README.rst