diff --git a/README.rst b/README.rst
index 944c9d9..0c3a85c 100644
--- a/README.rst
+++ b/README.rst
@@ -101,7 +101,7 @@ instead.
 * ``$CWD/tox.ini``
 * ``$CWD/pep8.ini``
 * ``$CWD/setup.cfg``
-* ``$CWD/pyproject.toml``
+* ``$CWD/pyproject.toml`` in section ``[tool.doc8]`` if ``toml`` is installed
 
 An example section that can be placed into one of these files::