diff --git a/changelog/3870.doc.rst b/changelog/3870.doc.rst
new file mode 100644
index 000000000..c56e10d11
--- /dev/null
+++ b/changelog/3870.doc.rst
@@ -0,0 +1 @@
+correct documentation for setuptools integration
diff --git a/doc/en/goodpractices.rst b/doc/en/goodpractices.rst
index 87d446d0d..b3d903bad 100644
--- a/doc/en/goodpractices.rst
+++ b/doc/en/goodpractices.rst
@@ -291,7 +291,7 @@ your own setuptools Test command for invoking pytest.
     setup(
         # ...,
         tests_require=["pytest"],
-        cmdclass={"test": PyTest},
+        cmdclass={"pytest": PyTest},
     )
 
 Now if you run::