##### 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]
```
"""Function to manage DNS configuration of an ESXi host system"""
        results = dict(changed=False, dns_config_result=dict())
        verbose = self.module.params.get('verbose', False)
        host_change_list = []
        for host in self.hosts:
            changed = False
            changed_list = []
            results['dns_config_result'][host.name] = dict(changed='', msg='')
            host_netstack_config = host.config.network.netStackInstance
            for instance in host_netstack_config:
                if instance.key == 'defaultTcpipStack':
                    netstack_spec = vim.host.NetworkConfig.NetStackSpec()
                    netstack_spec.operation = 'edit'
                    netstack_spec.netStackInstance = vim.host.NetStackInstance()
                    netstack_spec.netStackInstance.key = 'defaultTcpipStack'
                    dns_config = vim.host.DnsConfig()
                    results['dns_config_result'][host.name]['dns_config'] = self.network_type
                    if self.network_type == 'static':
                        if instance.dnsConfig.dhcp:
                            results['dns_config_result'][host.name]['domain'] = self.domain
                            results['dns_config_result'][host.name]['dns_servers'] = self.dns_servers
                            results['dns_config_result'][host.name]['search_domains'] = self.search_domains
                            results['dns_config_result'][host.name]['dns_config_previous'] = 'DHCP'
                            changed = True
                            changed_list.append("DNS configuration")
                            dns_config.dhcp = False
                            dns_config.virtualNicDevice = None