diff --git a/doc/modules.rst b/doc/modules.rst
index 1196f67e8c5dfb8364ee91f2d8a2e0c67ece9fde..06a4e808612d7820300b3bfef461cc99ae44b711 100644
--- a/doc/modules.rst
+++ b/doc/modules.rst
@@ -1,6 +1,8 @@
 API documentation
 =================
 
+To be generated with odoc.
+
 .. toctree::
    :maxdepth: 4