Even if you didn't get the movie from YTS, their subtitles are often compatible with standard WEBRip releases like the one you have. Quick Tip for Syncing

If you download a subtitle and the timing is slightly off (common with different frame rates or intro logos):

A massive database where you can search by the exact filename. Many users upload "HI" (Hearing Impaired) or "Non-HI" versions here.