diff --git a/docs/index.rst b/docs/index.rst
index 74756e7..55ab5fd 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,23 +1,26 @@
 .. _swh-model:
 
-Software Heritage - Development Documentation
-=============================================
+Software Heritage - Data model
+==============================
+
+Implementation of the :ref:`data-model` to archive source code artifacts.
+
 
 .. toctree::
    :maxdepth: 2
    :caption: Contents:
 
 
 Overview
 --------
 
 * :ref:`data-model`
 * :ref:`persistent-identifiers`
 
 
 Indices and tables
 ==================
 
 * :ref:`genindex`
 * :ref:`modindex`
 * :ref:`search`