Change a title status without IMDbPro subscription

The following title has been shot and is currently in the post production stage:

https://www.imdb.com/title/tt9814458/

it is listed as 'in developnment' and locked up with IMDb Pro... seemingly I cant update its development status to 'post production' without buying IMDB Pro..

This title is in 'post production' and will be broadcast on Amazon Prime this year