It means that the subtitles are actually a transcript of the script that was used for the English dub, regardless of how closely it matches the script. In this movie's case, the English dub was a reasonably close translation, but a dub script generally has too low precision to be acceptable as subs.

But also, guys, if there's something like a wrong link, please let me know. I know the MEGA links were still working, but don't let me continue embarrassing myself like this 😭