diff --git a/docs/source/index.rst b/docs/source/index.rst
index 7f2689b069..64be0e581d 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -14,7 +14,7 @@ PyTorch-Lightning Documentation
    introduction_guide
 
 .. toctree::
-   :maxdepth: 4
+   :maxdepth: 2
    :name: docs
    :caption: Python API