411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. e5/3...c5/4. dxc5/4...e6/5. Be3/5...Nh6/6. Bxh6
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Caro-Kann Defence - Advance Variation, Botvinnik-Carls Defence
6. Bxh6 · Caro-Kann Defence - Advance Variation, Botvinnik-Carls Defence
Although White remains a pawn up and has broken Black's kingside pawn structure, the open file will prove an asset for Black, they have the two bishops, and should be able to regain the pawn easily.
Theory table
6... gxh6
References
Caro-Kann
Opening Repertiore: The Caro-Kann. 2015. Jovanka Houska 9781781942109