Feature Request: Easier to understand audio track downloading for Youtube (?)

[BartoszMikMik]

describe the feature you'd like to see

Sorry if I write or say any of this wrong

but I recently wanted to download the english descriptive audio track from this video:
https://www.youtube.com/watch?v=Gx9qzoTPK84

i did see there was a beta feature for audio track downloading but i couldn't exactly figure out how to make it download the track I'm trying to get

so I haven't a clue if I'm stupid and blind or something so might as well suggest maybe something easier to understand when it comes to audio track downloading in the future?

sorry again if I said any of this badly!

additional context

No response