##### 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.

out += _out
                    err += _err
        if self.update_password == 'always' and self.password is not None:
            (rc, _err, _out) = self._change_user_password()
            out += _out
            err += _err
            changed = rc
        if self.groups:
            (rc, _out, _err, _changed) = self._modify_group()
            out += _out
            err += _err
            if _changed is True:
                changed = rc
        rc = self._update_system_user()
        if rc == 0:
            changed = rc
        return (changed, out, err)
class AIX(User):
    """
    This is a AIX User manipulation class.
    This overrides the following methods from the generic class:-
      - create_user()
      - remove_user()
      - modify_user()
      - parse_shadow_file()
    """
    platform = 'AIX'
    distribution = None
    SHADOWFILE = '/etc/security/passwd'
    def remove_user(self):