Things about the Harry Potter movies that bother the fans:
-movie Hermione having all of Ron's good traits
-movie Ginny showing less emotion than a brick
-Harry casting the lumos spell in Privet Drive
-Peeves not being in any of the movies
-Hermione's dress in the goblet of fire being pink and not blue
- "calmly"

The last one doesn't even need an explanation. We all just know