At this point, I'm purely splitting hairs, but I would probably have said "turned on its side" or some other variation of "side" instead, because "end" means so

At this point, I'm purely splitting hairs, but I would probably have said "turned on its side" or some other variation of "side" instead, because "end" means something different to me. But obviously what you're saying makes way more sense physically, so that has to be what it is.