##### 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.

cmd.append(self.group)
        if self.groups is not None:
            groups = self.get_groups_set()
            if len(groups) > 16:
                self.module.fail_json(msg="Too many groups (%d) NetBSD allows for 16 max." % len(groups))
            cmd.append('-G')
            cmd.append(','.join(groups))
        if self.comment is not None:
            cmd.append('-c')
            cmd.append(self.comment)
        if self.home is not None:
            cmd.append('-d')
            cmd.append(self.home)
        if self.shell is not None:
            cmd.append('-s')
            cmd.append(self.shell)
        if self.login_class is not None:
            cmd.append('-L')
            cmd.append(self.login_class)
        if self.password is not None:
            cmd.append('-p')
            cmd.append(self.password)
        if self.create_home:
            cmd.append('-m')
            if self.skeleton is not None:
                cmd.append('-k')
                cmd.append(self.skeleton)
        cmd.append(self.name)
        return self.execute_command(cmd)
    def remove_user_userdel(self):