Bot Updating Documentation

docs/images/docker-tvheadend.md

@@ -100,6 +100,10 @@ In some cases it might be necessary to start tvheadend with additional parameter
 
 To help you get started creating a container from this image you can either use docker-compose or the docker cli.
 
+!!! info
+
+    Unless a parameter is flaged as 'optional', it is *mandatory* and a value must be provided.
+
 ### docker-compose (recommended, [click here for more info](https://docs.linuxserver.io/general/docker-compose))
 
 ```yaml
@@ -158,8 +162,8 @@ Containers are configured using parameters passed at runtime (such as those abov
 
 | Parameter | Function |
 | :----: | --- |
-| `9981` | WebUI |
-| `9982` | HTSP server port. |
+| `9981:9981` | WebUI |
+| `9982:9982` | HTSP server port. |
 
 ### Environment Variables (`-e`)