Minor addition to supervisor unhealthy (home-assistant#23049)

benborra · web-flow · commit 5722bb0c618a · 2022-07-25T12:50:37.000+02:00
diff --git a/source/more-info/unhealthy/supervisor.markdown b/source/more-info/unhealthy/supervisor.markdown
@@ -15,3 +15,5 @@ This can also be done with the CLI, by running the following command:
 ```bash
 ha supervisor update
 ```
+
+In case this doesn't work. Check the logs, if there's an error where a host can't be resolved (eg: lookup ghcr.io: no such host) there might be a problem with your network settings (eg: dns server that can't be reached).
