I have a third. I have two languages defined, and because of that I have a little globe to the left of the spacebar. Tapping that switches the default one (as f

I have a third. I have two languages defined, and because of that I have a little globe to the left of the spacebar. Tapping that switches the default one (as far as I can tell, it biases what word it thinks you're aiming for to that language.) Somehow I always find it's on the secondary language and I haven't worked out if I'm doing that by accident or it's changing on its own.