When choosing language as finnish, Keep let and Keep right are not updated.
You can update our translations here:
Please note that we only frequently update GraphHopper Maps 2.0 https://github.com/graphhopper/graphhopper-maps
I may refine the problem. Google document is already updated. It is fine but problem persist in application level. If you check the example
Keep left and keep right are seen in English in queries as seen in link above.
In google documents, keep left and keep right are already in Finnish. When do you think these google updates will be used in Graphhoper?
You would need to update your GraphHopper version.
If you use the official release or our GraphHopper Directions API you need to wait for a new release.
If you use a fork, it does not auto-update translations, and you can follow: https://github.com/graphhopper/graphhopper/blob/master/docs/core/translations.md