Note argparse exit code in documentation (GH-119568)

Co-authored-by: Savannah Ostrowski <savannahostrowski@gmail.com>

diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index e9a08984f77c3aebd0441799e49f7fc534a734cb..4eb6fad41f11ef987171523cc6b4bb91b59ea0b7 100644 (file)
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -541,7 +541,8 @@ exit_on_error
 ^^^^^^^^^^^^^
 
 Normally, when you pass an invalid argument list to the :meth:`~ArgumentParser.parse_args`
-method of an :class:`ArgumentParser`, it will exit with error info.
+method of an :class:`ArgumentParser`, it will print a *message* to :data:`sys.stderr` and exit with a status
+code of 2.
 
 If the user would like to catch errors manually, the feature can be enabled by setting
 ``exit_on_error`` to ``False``::