If you can summarize the essence of this guide into a few paragraphs, it can fit to the end of the reporting page too (and that's the perfect place for a good summary, because if someone is too lazy to search for reporting guidelines, he still can find it when opening the report page).
Or, first there could be a link to this guide topic (like: check the reporting guide here, and link it to this topic).
After the link, there could be the summary of this topic, if needed. Maybe the link would be enough, and in that case there will be no need to update the reporting page, the link always points to the updated guide.