The creator of RWRS is open to suggestions, bug reports or any useful feedback. Choose your preferred communication channel to be in touch:
There's a dedicated RWRS topic in the RWR Steam Discussions.
I'm EpocDotFr. Although all my tweets are in French, I can of course answer in English.
RWRS and some of its data is open-source, you can submit an issue on the Github project.
People who contributed to RWRS in a way or another gets a special icon next to their username (you can read the list of these people here).