diff --git a/js/quadrilateral/view/QuadrilateralMovableNode.ts b/js/quadrilateral/view/QuadrilateralMovableNode.ts
index 7c963ece..9ac7aa6a 100644
--- a/js/quadrilateral/view/QuadrilateralMovableNode.ts
+++ b/js/quadrilateral/view/QuadrilateralMovableNode.ts
@@ -48,7 +48,7 @@ export default class QuadrilateralMovableNode extends Voicing( Node ) {
   public readonly largeViewDragDelta: number;
   public readonly smallViewDragDelta: number;
 
-  // REVIEW: describe this?
+  // The actual visual PaintableNode for this view component, added as a child of this Node.
   public readonly paintableNode: PaintableNode;
 
   public constructor( model: QuadrilateralMovable, modelViewTransform: ModelViewTransform2, paintableNode: PaintableNode, providedOptions: QuadrilateralMovableNodeOptions ) {