diff --git a/doc/en/customize.rst b/doc/en/customize.rst
index 310b5c7b3..2329ec2d1 100644
--- a/doc/en/customize.rst
+++ b/doc/en/customize.rst
@@ -133,8 +133,8 @@ progress output, you can write it into a configuration file:
 
 .. code-block:: ini
 
-    # content of pytest.ini
-    # (or tox.ini or setup.cfg)
+    # content of pytest.ini or tox.ini
+    # setup.cfg files should use [tool:pytest] section instead
     [pytest]
     addopts = -ra -q