"unrecognized arguments" when transcoding to mp3

[atomGit]

Describe what you are attempting to do
starting with FLAC files, i want to normalize gain and output MP3's

example in the doc:
ffmpeg-normalize input.mp3 -c:a libmp3lame -b:a 320k -o output.mp3

what i'm running:

$ ffmpeg-normalize '10cc - Cry.flac' -codec:a libmp3lame -qscale:a 0 --progress --output="./output/10cc - Cry.mp3" --debug
usage: ffmpeg-normalize INPUT [INPUT ...] [-o OUTPUT [OUTPUT ...]] [options]
ffmpeg-normalize: error: unrecognized arguments: -codec:a libmp3lame -scale:a 0

Additional context
ffmpeg-normalize 1.36.0
ffmpeg 7.1.1
Manjaro Linux

[slhck]

These options are not supported, as the error indicates.

Please check the options via --help or the docs.

If you need to pass extra options to the ffmpeg instance, use the --extra-output-options options.