diff --git a/doc/en/reference/customize.rst b/doc/en/reference/customize.rst
index b794d646b..24c0ed217 100644
--- a/doc/en/reference/customize.rst
+++ b/doc/en/reference/customize.rst
@@ -90,7 +90,7 @@ and can also be used to hold pytest configuration if they have a ``[pytest]`` se
 setup.cfg
 ~~~~~~~~~
 
-``setup.cfg`` files are general purpose configuration files, used originally by :doc:`distutils <python:distutils/configfile>`, and can also be used to hold pytest configuration
+``setup.cfg`` files are general purpose configuration files, used originally by ``distutils`` (now deprecated) and `setuptools <https://setuptools.pypa.io/en/latest/userguide/declarative_config.html>`__, and can also be used to hold pytest configuration
 if they have a ``[tool:pytest]`` section.
 
 .. code-block:: ini