update README.md

README.md

@@ -86,10 +86,6 @@ You can specify these environment variables when starting the container using th
 $ docker run -e "MUMBLE_CONFIG_SERVER_PASSWORD=123"
 ```
 
-Note: In the unlikely case where a `<configName>` setting is unknown to the container, startup will fail. The root cause of this error is the fact that
-this setting is incorrectly registered in the Mumble server code. You can workaround this error by setting the `MUMBLE_ACCEPT_UNKNOWN_SETTINGS` 
-environment variable to `true` and spelling `<configName>` exactly as written in the [Murmur.ini](https://wiki.mumble.info/wiki/Murmur.ini) documentation.
-
 
 ### Additional variables
 
@@ -103,6 +99,19 @@ The following _additional_ variables can be set for further server configuration
 | `MUMBLE_VERBOSE`                 | Set to `true` to enable verbose logging in the server                                                                                        |
 
 
+Note: In the unlikely case where a `<configName>` setting is unknown to the container, startup will fail with the following error. 
+
+
+```
+mumble-server  | [ERROR]: Unable to find config corresponding to variable "<configName>"
+mumble-server exited with code 1
+```
+
+The root cause of this error is the fact that this setting is incorrectly registered in the Mumble server code. You can workaround this error by 
+setting the `MUMBLE_ACCEPT_UNKNOWN_SETTINGS` environment variable to `true` and spelling `<configName>` exactly as written in the
+[Murmur.ini](https://wiki.mumble.info/wiki/Murmur.ini) documentation.
+
+
 ## Building the container
 
 After having cloned this repository, you can just run