diff --git a/AUTHORS b/AUTHORS
index be1e78638..cb73916bc 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -47,6 +47,7 @@ Ariel Pillemer
 Armin Rigo
 Aron Coyle
 Aron Curzon
+Arthur Richard
 Ashish Kurmi
 Aviral Verma
 Aviv Palivoda
diff --git a/doc/en/reference/reference.rst b/doc/en/reference/reference.rst
index ff61e3b49..c80bdb18e 100644
--- a/doc/en/reference/reference.rst
+++ b/doc/en/reference/reference.rst
@@ -79,7 +79,7 @@ pytest.xfail
 pytest.exit
 ~~~~~~~~~~~
 
-.. autofunction:: pytest.exit(reason, [returncode=False, msg=None])
+.. autofunction:: pytest.exit(reason, [returncode=None, msg=None])
 
 pytest.main
 ~~~~~~~~~~~
diff --git a/src/_pytest/outcomes.py b/src/_pytest/outcomes.py
index 1be97dda4..53c3e1511 100644
--- a/src/_pytest/outcomes.py
+++ b/src/_pytest/outcomes.py
@@ -123,7 +123,7 @@ def exit(
         only because `msg` is deprecated.
 
     :param returncode:
-        Return code to be used when exiting pytest.
+        Return code to be used when exiting pytest. None means the same as ``0`` (no error), same as :func:`sys.exit`.
 
     :param msg:
         Same as ``reason``, but deprecated. Will be removed in a future version, use ``reason`` instead.