Patch license display defaults to GPL3 when the license in the file isn't recognized

[forestbeasts]

I made a patch file, and wanted to make it public domain instead of CC-BY. So I did this (more robust public-domain-ing aside):

{
  "license": "Patch by Frost. Public domain!",
  "synth_version": "0.9.0",
  "patch_name": "Crunchy Pad",
  "folder_name": "Bass",
  "author": "Frost",
  "settings": {
    [...]
  }
}

...aaand got this:

Huh? This isn't GPL. Maybe it could default to showing the full text of the license info in the file instead?