It wasn't a typo. Not entirely.
Here is an interesting write-up breaking down the technical anatomy of that filename and why this specific version represents a fascinating piece of movie piracy history. meetjoeblack1998720pbrriphindidualaudio+portable
A High Definition (HD) resolution that strikes the perfect balance between crisp visual quality and manageable file size. It wasn't a typo
Then there's "1998" which is a year, possibly the birth year or the year the content was released. "720p" is a common video resolution, so maybe this post is related to video content. "BRrip" is a term used in video encoding, standing for "Blu-ray Rip," which is a high-quality video file ripped from a Blu-ray disc. "HD" could reinforce the high-quality aspect. standing for "Blu-ray Rip