subtitles on my Raspberry Pi3B

Dear people,

I’am searching for my problem but can’t seem too find the solution. I have installed 2days ago my raspberry Pi 3B with OSMC on it. everything is working perfect but i just can’t get any subtitle on my movies…
I did what they say to do(activate add-on and…), my main laguage is Dutch and i picked 2nd english. But when playing movies or series there isn’t any subtile…

Does anybody experienced the same problem?

Best Regards Roal