diff --git a/js/standardform/model/StandardFormModel.js b/js/standardform/model/StandardFormModel.js
index 6ad61928..c5f7317e 100644
--- a/js/standardform/model/StandardFormModel.js
+++ b/js/standardform/model/StandardFormModel.js
@@ -48,6 +48,7 @@ define( require => {
         phetioStudioControl: false
       };
 
+      //REVIEW: Since aProperty is duplicated in VertexFormModel.js, should there a comment that notes they should stay in sync?
       // coefficients for standard form
       const aProperty = new NumberProperty( A_RANGE.defaultValue, _.extend( {
         range: A_RANGE,