##### 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.

ssh_defaults = dict(
        bits=0,
        type='rsa',
        passphrase=None,
        comment='ansible-generated on %s' % socket.gethostname()
    )
    module = AnsibleModule(
        argument_spec=dict(
            state=dict(type='str', default='present', choices=['absent', 'present']),
            name=dict(type='str', required=True, aliases=['user']),
            uid=dict(type='int'),
            non_unique=dict(type='bool', default=False),
            group=dict(type='str'),
            groups=dict(type='list', elements='str'),
            comment=dict(type='str'),
            home=dict(type='path'),
            shell=dict(type='str'),
            password=dict(type='str', no_log=True),
            login_class=dict(type='str'),
            
            hidden=dict(type='bool'),
            
            seuser=dict(type='str'),
            
            force=dict(type='bool', default=False),
            remove=dict(type='bool', default=False),
            
            create_home=dict(type='bool', default=True, aliases=['createhome']),
            skeleton=dict(type='str'),
            system=dict(type='bool', default=False),