Jisho

What about the furigana is wrong if you're talking about the わく”ぐ” it's called rendaku and if you're talking about the み in it its right next to the kanji so it doesn't count.

They are saying that above the 枠 kanji, there is the わ furigana, and above the 組 kanji, there is the くぐ furigana, and if you were trying to divide them by which kanji they go with it would be わく and ぐ instead.

I don't think it's really that important though, but many people report that kind of thing here.

oh ok, in that case, the people who made jisho, just merged the kanjis' furigana