diff --git a/docs/conf.py b/docs/conf.py
index eb082db..ebac45b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -205,4 +205,4 @@
 
 
 # -- Extension configuration -------------------------------------------------
-apidoc_module_dir = "../pyrtools"
+apidoc_module_dir = "../src/pyrtools"
diff --git a/docs/index.rst b/docs/index.rst
index 7246c3e..84d5871 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -80,7 +80,6 @@ for image processing, here are some resources to get you started:
 
    installation
    developerguide
-   api/modules
 
 .. toctree::
    :maxdepth: 2
@@ -89,3 +88,8 @@ for image processing, here are some resources to get you started:
    :numbered:
 
    tutorials/*
+
+.. toctree::
+   :caption: API Documentation
+
+   api/modules