##### 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.

err += _err
            if rc != 0:
                return (rc, out, err)
        for del_group in lgroupmod_del:
            (rc, _err, _out) = self.execute_command([lgroupmod_cmd, '-m', self.name, del_group])
            out += _out
            err += _err
            if rc != 0:
                return (rc, out, err)
        return (rc, out, err)
    def group_exists(self, group):
        try:
            
            grp.getgrgid(int(group))
            return True
        except (ValueError, KeyError):
            try:
                grp.getgrnam(group)
                return True
            except KeyError:
                return False
    def group_info(self, group):
        if not self.group_exists(group):
            return False
        try:
            
            return list(grp.getgrgid(int(group)))
        except (ValueError, KeyError):
            return list(grp.getgrnam(group))
    def get_groups_set(self, remove_existing=True):