diff --git a/src/c3nav/routing/router.py b/src/c3nav/routing/router.py
index 28ab1395..b52d9435 100644
--- a/src/c3nav/routing/router.py
+++ b/src/c3nav/routing/router.py
@@ -150,7 +150,8 @@ class Router:
             return RouterLocation((self.spaces[location.pk], ))
         if isinstance(location, Area):
             return RouterLocation((self.areas[location.pk], ))
-        # todo: route from POI or custom location
+        # todo: route from/to POI or custom location
+        # todo: route from/to location group
         return RouterLocation()
 
     def get_route(self, origin, destination):