clarification of http-frontend.yml content

docs/guides/self-hosting/self_hosting_guide.md

@@ -192,15 +192,20 @@ Nice work! The `zrok` controller is fully configured now that you have created t
 
 ## Configure the Public Frontend
 
-Create `etc/http-frontend.yml`. This frontend config file has a `host_match` pattern that represents the DNS zone you're using with this instance of zrok. Incoming HTTP requests with a matching `Host` header will be handled by this frontend. You may also specify the interface address where the frontend will listen for public access requests.
-
-The frontend does not provide server TLS, but you may front the server with a reverse proxy. It is essential the reverse proxy forwards the `Host` header supplied by the viewer. This example will expose the non-TLS listener for the frontend.
+Create an http frontend configuration file in `etc/http-frontend.yml`.
 
 ```yaml
-host_match: zrok.quigley.com
-address: 0.0.0.0:8080
+v:                  3
+host_match:         zrok.quigley.com
+address:            0.0.0.0:8080
 ```
 
+This frontend config file has a `host_match` pattern that represents the DNS zone you're using with this instance of zrok. Incoming HTTP requests with a matching `Host` header will be handled by this frontend. You may also specify the interface address where the frontend will listen for public access requests.
+
+The frontend does not provide server TLS, but you may front the server with a reverse proxy. It is essential the reverse proxy forwards the `Host` header supplied by the viewer. This example will expose the non-TLS listener for the frontend.
+
+You can also specify an `oauth` configuration in this file, full details of are found in [OAuth Public Frontend Configuration](oauth/configuring-oauth.md#configuring-your-public-frontend).
+
 ## Start Public Frontend
 
 In another terminal window, run: