Bob, I have this thing, and admittedly it might only be MY thing, but I do try to avoid objects touching the edge or following along the edge of an horizon line wherever possible, as it just feels uncomfortable to me for some reason and the rock silhouettes in the bottom of your shot are doing just that.
So do you have a version taken from a slightly different PoV?
But don't worry if you haven't, because as I say, this may not be a 'thing' for you, or for anyone else for that matter
Dave