(mac) brew tap + install - error

[ventz]

% brew tap metrue/homebrew-fx
Running `brew update --auto-update`...

==> Tapping metrue/fx
Cloning into '/usr/local/Homebrew/Library/Taps/metrue/homebrew-fx'...
remote: Enumerating objects: 1064, done.
remote: Counting objects: 100% (160/160), done.
remote: Compressing objects: 100% (80/80), done.
remote: Total 1064 (delta 39), reused 0 (delta 0), pack-reused 904
Receiving objects: 100% (1064/1064), 111.82 KiB | 2.54 MiB/s, done.
Resolving deltas: 100% (262/262), done.
Tapped 1 formula (13 files, 150.1KB).

% brew install metrue/fx/fx
Error: metrue/fx/fx: wrong number of arguments (given 1, expected 0)