Note to self about royalroad chapter URLs

sites/royalroad.py

@@ -34,6 +34,9 @@ class RoyalRoad(Site):
     @classmethod
     def matches(cls, url):
         # e.g. https://royalroad.com/fiction/6752/lament-of-the-fallen
+        # Note: urls like https://www.royalroad.com/fiction/chapter/2330878 also exist, which it
+        # might be nice to support, but I need to look into an API call to get the work ID from
+        # a chapter ID.
         match = re.match(r'^(https?://(?:www\.)?%s\.com/fiction/\d+)/?.*' % cls.domain, url)
         if match:
             return match.group(1) + '/'