There are two main types of geometric lens distortion, barrel and pincushion. They are generally most noticeable near the edges of the frame. Barrel causes straight lines to bow outward toward the center and pincushion inward. I'm not talking about the effect of the wide angle lens, which I think works well for this image. Photoshop, and other image editors, have functions to remove this sort of distortion. It's in the PS filter section under Lens Correction. What I'm suggesting ts that the baseline of the church could be made more parallel to the lower edge of the image, where it now angles upward toward the sides. Might be worth a try.