Wrong definition of a starred expression in the Language Reference

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-08-23.13:32:50.245>
labels = ['type-bug', '3.9', 'docs']
title = 'Wrong definition of a starred expression in the Language Reference'
updated_at = <Date 2021-08-31.04:14:50.814>
user = 'https://bugs.python.org/TakuoMatsuoka'

bugs.python.org fields:

activity = <Date 2021-08-31.04:14:50.814>
actor = 'Takuo Matsuoka'
assignee = 'docs@python'
closed = False
closed_date = None
closer = None
components = ['Documentation']
creation = <Date 2021-08-23.13:32:50.245>
creator = 'Takuo Matsuoka'
dependencies = []
files = []
hgrepos = []
issue_num = 44983
keywords = []
message_count = 4.0
messages = ['400136', '400440', '400441', '400686']
nosy_count = 3.0
nosy_names = ['eric.araujo', 'docs@python', 'Takuo Matsuoka']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue44983'
versions = ['Python 3.9']