##### SUMMARY
The documentation of the module *user* / parameter *shell* states:

https://github.com/ansible/ansible/blob/8edad83ae029d7838a6d6347576d2ddbcce12ad0/lib/ansible/modules/system/user.py#L79

But there are no (shell specific) notes.
##### ISSUE TYPE
- Documentation Report

##### COMPONENT NAME
user / docs

##### ANSIBLE VERSION
devel branch

##### CONFIGURATION
N/A

##### OS / ENVIRONMENT
N/A

##### ADDITIONAL INFORMATION
Either remove the sentence or provide some information in the notes section.

else:
                result['system'] = user.system
                result['create_home'] = user.create_home
        else:
            
            (rc, out, err) = user.modify_user()
            result['append'] = user.append
            result['move_home'] = user.move_home
        if rc is not None and rc != 0:
            module.fail_json(name=user.name, msg=err, rc=rc)
        if user.password is not None:
            result['password'] = 'NOT_LOGGING_PASSWORD'
    if rc is None:
        result['changed'] = False
    else:
        result['changed'] = True
    if out:
        result['stdout'] = out
    if err:
        result['stderr'] = err
    if user.user_exists() and user.state == 'present':
        info = user.user_info()
        if info is False:
            result['msg'] = "failed to look up user name: %s" % user.name
            result['failed'] = True
        result['uid'] = info[2]
        result['group'] = info[3]
        result['comment'] = info[4]
        result['home'] = info[5]
        result['shell'] = info[6]