Bot Updating Documentation

docs/images/docker-feed2toot.md

@@ -45,6 +45,10 @@ See the [feed2toot docs](https://feed2toot.readthedocs.io/en/latest/) for more i
 
 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