diff --git a/osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs b/osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs
index 8917a68efa..ed3fc34d94 100644
--- a/osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs
+++ b/osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs
@@ -354,6 +354,18 @@ namespace osu.Game.Rulesets.Osu.Edit
 
         protected override bool OnMouseDown(MouseDownEvent e)
         {
+            // Why is this logic here and not in `OsuSelectionHandler`?
+            // Because we only want to handle this toggle after all other right-click handling completes.
+            //
+            // Consider that input is handled from the most nested child first:
+            //
+            // ComposeScreen
+            //  |- OsuContextMenuContainer                 // right click for context
+            //     |- TimelineBlueprintContainer
+            //        |- TimelineSelectionHandler
+            //     |- (Osu)HitObjectComposer               // right click for toggle new combo
+            //        |- (Osu)EditorBlueprintContainer     // right click for select
+            //           |- (Osu)EditorSelectionHandler    // right click for delete
             if (e.Button == MouseButton.Right)
             {
                 var osuSelectionHandler = (OsuSelectionHandler)BlueprintContainer.SelectionHandler;