diff --git a/docs/index.rst b/docs/index.rst
index 915be363d45924dcd215ffcbd57f4552c5f7300e..17552a22a7df1638d485a2c59b71479374b9c909 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -3,16 +3,28 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
+.. toctree::
+
 icartt
-====================================
+============================
 
-ICARTT file format reader and writer
+icartt is an ICARTT file format reader and writer
 
-.. toctree::
-   :maxdepth: 2
+.. contents::
+   :local:
 
 .. module:: icartt
 
+API
+----
+
+Variable
+^^^^^^^^^^
+
 .. autoclass:: Variable
 
+
+Dataset
+^^^^^^^^^^
+
 .. autoclass:: Dataset