Fix the typo in the 5.0 migration guide
Fix the typo in the 5.0 migration guide

tualatrix/SDWebImage,dreampiggy/SDWebImage,awkward/SDWebImage,zhang-yawei/SDWebImage,dreampiggy/SDWebImage,dreampiggy/SDWebImage,awkward/SDWebImage,awkward/SDWebImage,rs/SDWebImage