Hello, eggie
I actually don't know. As you can see this change was made by me via the app called StreetComplete which simplifies the process of adding info to OSM by requesting it in form of survey or yes\no questions. I think the question here was whether the foot-way and cycle-way are segregated here and my answer was "yes" because they are indeed segregated there. I suppose that's where this "yes" came from. 
Anyways, you're right and sidewalk is indeed on the right there. I'll change this tag accordingly rn. Thanks for the tip! :)