Bot Updating Documentation

docs/images/docker-grocy.md

@@ -51,6 +51,10 @@ Following a container upgrade ensure that you visit the root (`/`) route (click
 
 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
@@ -92,7 +96,7 @@ Containers are configured using parameters passed at runtime (such as those abov
 
 | Parameter | Function |
 | :----: | --- |
-| `80` | will map the container's port 80 to port 9283 on the host |
+| `9283:80` | will map the container's port 80 to port 9283 on the host |
 
 ### Environment Variables (`-e`)