##### SUMMARY
As @k3x pointed out in #63374 the examples in `vmware_host_dns` miss a required parameter.

##### ISSUE TYPE
- Documentation Report

##### COMPONENT NAME
vmware_host_dns

##### ANSIBLE VERSION
```
ansible 2.10.0.dev0
  config file = None
  configured module search path = [u'/home/mario/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /home/mario/rme/ansible/lib/ansible
  executable location = /home/mario/rme/ansible/bin/ansible
  python version = 2.7.16 (default, Oct 10 2019, 22:02:15) [GCC 8.3.0]
```
host_network_system = host.configManager.networkSystem
                if not self.module.check_mode:
                    try:
                        host_network_system.UpdateNetworkConfig(config, 'modify')
                    except vim.fault.AlreadyExists:
                        self.module.fail_json(
                            msg="Network entity specified in the configuration already exist on host '%s'" % host.name
                        )
                    except vim.fault.NotFound:
                        self.module.fail_json(
                            msg="Network entity specified in the configuration doesn't exist on host '%s'" % host.name
                        )
                    except vim.fault.ResourceInUse:
                        self.module.fail_json(msg="Resource is in use on host '%s'" % host.name)
                    except vmodl.fault.InvalidArgument:
                        self.module.fail_json(
                            msg="An invalid parameter is passed in for one of the networking objects for host '%s'" %
                            host.name
                        )
                    except vmodl.fault.NotSupported as not_supported:
                        self.module.fail_json(
                            msg="Operation isn't supported for the instance on '%s' : %s" %
                            (host.name, to_native(not_supported.msg))
                        )
                    except vim.fault.HostConfigFault as config_fault:
                        self.module.fail_json(
                            msg="Failed to configure TCP/IP stacks for host '%s' due to : %s" %
                            (host.name, to_native(config_fault.msg))
                        )
            else: