Credit notes without altering stock levels

hey guys. I need to issue a credit note for 2 ullaged beers if i do this in breww it alters the stock levels how do i get around this please?

That’s not right is it?

Credit notes will not return items into stock.
How to create a credit note - Help docs & tutorials / Sales - Breww Community

That’s right, a credit note is purely financial and won’t affect stock levels.