diff --git a/libs/canvas/group.cc b/libs/canvas/group.cc
index 59dad89dc5..63ce48fdf2 100644
--- a/libs/canvas/group.cc
+++ b/libs/canvas/group.cc
@@ -287,7 +287,7 @@ Group::child_changed ()
 void
 Group::add_items_at_point (Duple const point, vector<Item const *>& items) const
 {
-	/* Point is in canvas coordinate system */
+	/* Point is in parent coordinate system */
 
 	boost::optional<Rect> const bbox = bounding_box ();