With theaters preparing for a British Invasion ahead of the Beatles cinematic event in 2028, Ringo Starr is making sure the movies get it right.

Ringo Starr, 84, recently revealed that he demanded script changes in filmmaker Sam Mendes’ upcoming Beatles biopic about his life. The “Yellow Submarine” hitmaker opened up about the movie and how he spent two days offering “extensive notes” to Mendes in an interview with The New York Times published Wednesday, July 2.

The Beatles drummer Ringo Starr recalls sharing some notes with Sam Mendes for his biopic on the musician. According to a new interview with the New York Times, Starr and Mendes spent “two days” going over the script “line by line” and Starr “offered extensive notes” in order to make the film more accurate to his personal life and experiences.