I am trying to edit the config.txt file from /Users/myuser/Library/Application Support/pico-8, but it is overwritten every single time I exit out of pico-8. Does anybody know why this is?

I'm using PICO-8 v0.2.1b on OSX.

I have validated (multiple times) that pico-8 is NOT running when I edit the file. When I then start the application, the settings are still present in the config.txt (although my changes seem to be ignored) and then the file is overwritten with default values when I exit.

Thanks for any suggestions!