Lyrics with text piosenki

After the command Beet lyrics -f, each lyric shows the header Text Piosenki and at the bottom two more lines of text .
How do I get rid of them?

This sounds like #4228 which has been fixed in #4229.

To try this fix out, you’ll need to either wait until the next beets release (which I don’t think has an exact date) or you can try running the latest source version.