Corey Chaloff talks about using 4x5 aspect ratio for IG photos edits in Lightroom. When I access Lightroom, there is only 5x4 option. When I try to manually enter 4 x 5, it reverts back to 5x4. My understanding is these numbers represent width and height, so when you reverse the numbers the width and heigh is reversed. How do you guys select for the correct ratio and get the system to remember it without it reverting back to 5x4?