diff --git a/docs/source/index.rst b/docs/source/index.rst
index ad6750f..db110f4 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -6,8 +6,9 @@
 Contents:
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 4
 
    intro
    helpers
+   applications
    examples