##### 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.dns_servers:
                                if instance.dnsConfig.address != self.dns_servers:
                                    results['dns_config_result'][host.name]['dns_servers_previous'] = instance.dnsConfig.address
                                    results['dns_config_result'][host.name]['dns_servers_changed'] = (
                                        self.get_differt_entries(instance.dnsConfig.address, self.dns_servers)
                                    )
                                    changed = True
                                    
                                    if verbose:
                                        dns_servers_verbose_message = self.build_changed_message(
                                            instance.dnsConfig.address,
                                            self.dns_servers
                                        )
                                    else:
                                        changed_list.append("DNS servers")
                                dns_config.address = self.dns_servers
                            else:
                                dns_config.address = instance.dnsConfig.address
                            
                            results['dns_config_result'][host.name]['search_domains'] = self.search_domains
                            if self.search_domains:
                                if instance.dnsConfig.searchDomain != self.search_domains:
                                    results['dns_config_result'][host.name]['search_domains_previous'] = instance.dnsConfig.searchDomain
                                    results['dns_config_result'][host.name]['search_domains_changed'] = (
                                        self.get_differt_entries(instance.dnsConfig.searchDomain, self.search_domains)
                                    )
                                    changed = True
                                    changed_list.append("Search domains")
                                dns_config.searchDomain = self.search_domains
                            else: