diff --git a/css-scroll-snap-2/Overview.bs b/css-scroll-snap-2/Overview.bs
index c56e4a30a33..bbcd951db20 100644
--- a/css-scroll-snap-2/Overview.bs
+++ b/css-scroll-snap-2/Overview.bs
@@ -585,7 +585,8 @@ it is the snap position
 that the snap container will eventually snap to
 when the scrolling operation ends.
 
-{{SnapEvent}}s do not bubble and are not cancellable.
+{{SnapEvent}}s do not bubble except when the event target is the {{Document}}.
+{{SnapEvent}}s are not cancellable.
 
 
 <!-- Big Text: Longhand