I suppose the best way, especially if you have to do this again, is to set up your product name as a user variable. This will mean having to go through all your docs once, but you won't have to do it again. Then if your product name changes again, all you have to do is alter the variable and everything will change automatically.
If sunflower oil comes from sunflowers, and vegetable oil comes from vegetables, where does baby oil come from?