Can I change my rate to 20/10 please

Rating: 10/10 (6 October 2019)

This is my first review ever on imdb, actually am reviewing right now because of this movie, I rated this movie10/10 even before watching it , but after watching the movie I changed my mind and i want to give it 20/10 , its un amazing work amazing art its really a masterpiece, and am recommended all the people to watch it.