stupid question relays

[Würstchens-Turbo 810]

I'm now asking a beginner's question after 38 years:
Why do I have TWO starter relays in the fuse box, as shown in the photo (the photo is from the internet)?
According to the parts diagram, there should only be one.

I didn't care about this before, since everything was working, but I just noticed it.

https://www.directupload.eu/file/d/9098 ... zq_jpg.htm

[rangeroy]

Starter & main, some have 3 starter,main & headlight