Yes, it is fine. I just wanted people to know that it was released widescreen even though it wasn't filmed that way. Also the original sound was not mono.
It was also released 1.85 and stereo 3 channel sound.
FROM HERE TO ETERNITY Disc Breakdown
4K Ultra HD Includes:
Feature presented in 4K resolution with Dolby Vision
Dolby Atmos English audio
5.1 DTS-HD Master Audio
Original Mono DTS-HD Master Audio