Docstring fix (#27225)
Summary:
Correcting docstring for `add_image_with_boxes` method. Fixed spelling mistake.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/27225
Differential Revision: D17776604
Pulled By: jerryzh168
fbshipit-source-id: 45f69643ec3b58c46b9fb67411c42a6d09b7290e
