##### 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.

if self.shell is not None and info[6] != self.shell:
            cmd.append('-s')
            cmd.append(self.shell)
        if self.login_class is not None:
            
            user_login_class = None
            userinfo_cmd = [self.module.get_bin_path('userinfo', True), self.name]
            (rc, out, err) = self.execute_command(userinfo_cmd, obey_checkmode=False)
            for line in out.splitlines():
                tokens = line.split()
                if tokens[0] == 'class' and len(tokens) == 2:
                    user_login_class = tokens[1]
            
            if self.login_class != user_login_class:
                cmd.append('-L')
                cmd.append(self.login_class)
        if self.password_lock and not info[1].startswith('*'):
            cmd.append('-Z')
        elif self.password_lock is False and info[1].startswith('*'):
            cmd.append('-U')
        if self.update_password == 'always' and self.password is not None \
                and self.password != '*' and info[1] != self.password:
            cmd.append('-p')
            cmd.append(self.password)
        
        if len(cmd) == 1:
            return (None, '', '')
        cmd.append(self.name)
        return self.execute_command(cmd)
class NetBSDUser(User):