diff --git a/docs/index.rst b/docs/index.rst
index 1954db2..6b41dd4 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,17 +1,19 @@
 .. _swh-core:
 
-Software Heritage - Development Documentation
-=============================================
+Software Heritage - Core foundations
+====================================
+
+Low-level utilities and helpers used by almost all other modules in the stack.
+
 
 .. toctree::
    :maxdepth: 2
    :caption: Contents:
 
 
-
 Indices and tables
 ==================
 
 * :ref:`genindex`
 * :ref:`modindex`
 * :ref:`search`