##### 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]
```
if self.host_name:
                                dns_config.hostName = self.host_name
                            else:
                                dns_config.hostName = instance.dnsConfig.hostName
                            dns_config.domainName = self.domain
                            dns_config.address = self.dns_servers
                            dns_config.searchDomain = self.search_domains
                        else:
                            results['dns_config_result'][host.name]['host_name'] = self.host_name
                            
                            if self.host_name:
                                if instance.dnsConfig.hostName != self.host_name:
                                    results['dns_config_result'][host.name]['host_name_previous'] = instance.dnsConfig.hostName
                                    changed = True
                                    changed_list.append("Host name")
                                dns_config.hostName = self.host_name
                            else:
                                dns_config.hostName = instance.dnsConfig.hostName
                            
                            results['dns_config_result'][host.name]['domain'] = self.domain
                            if self.domain:
                                if instance.dnsConfig.domainName != self.domain:
                                    results['dns_config_result'][host.name]['domain_previous'] = instance.dnsConfig.domainName
                                    changed = True
                                    changed_list.append("Domain")
                                dns_config.domainName = self.domain
                            else:
                                dns_config.domainName = instance.dnsConfig.domainName
                            
                            results['dns_config_result'][host.name]['dns_servers'] = self.dns_servers