Update config_v6.md

docs/config/instructions/config_v6.md

@@ -24,7 +24,7 @@ here's what you need to do:
 1. Find and replace `#config_version=5` with `#config_version=6`.
 2. Find and replace `#show_version=5` with `#show_version=6`.
 3. Find and replace `: +` with `: "+`. You'll need to also add the quote to the end of the line. Or if you only have a few different values, you can find and replace the entire line, like `time: +1` with `time: "+1"`, `time: +2` with `time: "+2"`, etc.
-4. Search for any value that starts with a leading zero, like `: 0` and then see if it only has digits after the zero. If so, add quotes around the value. e.g. `: "000066"`.
+4. Search for any value that starts with a leading zero, like `: 0` and then see if it only has digits after the zero. If so, add quotes around the value. e.g. `: "000066"`. If this is a multi-part value, put quotes around the whole thing: `number: 0804-1` becomes `number: "0804-1"`. This also applies for key names: `0804:` becomes `"0804":`.
 5. You might have a bit of cleanup for some random other things which are now invalid YAML (as outlined below), but the easiest way to do that is just to run your game and then hunt down any last remaining errors as they come up.
 
 That's it! Not too bad overall. We updated several configs for complete and mature machines, and