Correct default value

Co-authored-by: Nick <50747025+mcdonnnj@users.noreply.github.com>

Author: jsf9k

README.md

@@ -21,7 +21,7 @@ None.
 
 | Variable | Description | Default | Required |
 |----------|-------------|---------|----------|
-| systemd_resolved_dns_stub_listener | The value to use for the DNSStubListener value in the `systemd-resolved` configuration file.  Must be `tcp`, `udp`, or a boolean value.  See [here](https://man.archlinux.org/man/resolved.conf.5.en) for more information. | `"yes"` | No |
+| systemd_resolved_dns_stub_listener | The value to use for the DNSStubListener value in the `systemd-resolved` configuration file.  Must be `tcp`, `udp`, or a boolean value.  See [here](https://man.archlinux.org/man/resolved.conf.5.en) for more information. | `true` | No |
 | systemd_resolved_resolv_conf_filename | The location of the target to which `/etc/resolv.conf` will be symlinked.  Note that `dynamic_resolv_conf_target_dir` and `static_resolv_conf_target_dir` are role vars that are available for use when defining this variable.  See [here](https://man.archlinux.org/man/systemd-resolved.8#/ETC/RESOLV.CONF) for more information. | `"{{ dynamic_resolv_conf_target_dir }}/stub-resolv.conf"` | No |
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 | required_variable | Describe its purpose. | n/a | Yes |