diff --git a/js/quadrilateral/QuadrilateralQueryParameters.ts b/js/quadrilateral/QuadrilateralQueryParameters.ts
index c7f92f66..1c5e7179 100644
--- a/js/quadrilateral/QuadrilateralQueryParameters.ts
+++ b/js/quadrilateral/QuadrilateralQueryParameters.ts
@@ -118,6 +118,8 @@ const QuadrilateralQueryParameters = QueryStringMachine.getAll( {
   // QuadrilateralSoundOptionsModel.SoundDesign as a string. See https://github.com/phetsims/quadrilateral/blob/master/js/quadrilateral/model/QuadrilateralSoundOptionsModel.ts#L37-L53
   soundDesign: {
     type: 'string',
+
+    // REVIEW: This value doesn't seem to be cased like other query parameter values
     defaultValue: 'TRACKS_LAYER',
     validValues: SoundDesign.enumeration.keys
   },
diff --git a/js/quadrilateral/model/QuadrilateralShapeDetector.ts b/js/quadrilateral/model/QuadrilateralShapeDetector.ts
index 5c233a00..e30dc494 100644
--- a/js/quadrilateral/model/QuadrilateralShapeDetector.ts
+++ b/js/quadrilateral/model/QuadrilateralShapeDetector.ts
@@ -29,10 +29,10 @@ import NamedQuadrilateral from './NamedQuadrilateral.js';
 const CONCAVE = Math.pow( 2, 0 );
 const ONE_PARALLEL_PAIR = Math.pow( 2, 1 );
 const TWO_PARALLEL_PAIR = Math.pow( 2, 2 );
-const TWO_EQUAL_ADJACENT_ANGLE_PAIR = Math.pow( 2, 4 );
+const TWO_EQUAL_ADJACENT_ANGLE_PAIR = Math.pow( 2, 4 ); // REVIEW: Are we skipping 3?
 const ONE_EQUAL_OPPOSITE_ANGLE_PAIR = Math.pow( 2, 5 );
 const TWO_EQUAL_OPPOSITE_ANGLE_PAIR = Math.pow( 2, 6 );
-const ALL_EQUAL_ANGLE = Math.pow( 2, 7 );
+const ALL_EQUAL_ANGLE = Math.pow( 2, 7 );// REVIEW: Are we skipping 8?
 const TWO_EQUAL_ADJACENT_SIDE_PAIR = Math.pow( 2, 9 );
 const ONE_EQUAL_OPPOSITE_SIDE_PAIR = Math.pow( 2, 10 );
 const TWO_EQUAL_OPPOSITE_SIDE_PAIR = Math.pow( 2, 11 );
@@ -100,6 +100,8 @@ export default class QuadrilateralShapeDetector {
     this.quadrilateralShapeModel = quadrilateralShapeModel;
   }
 
+  // REVIEW: This method should be made static, and pass in the QuadrilateralShapeModel as an argument
+  // REVIEW: Add some unit tests to make sure this method and the masks are working as expected
   /**
    * Compute the name of the quadrilateral. Note this must be called AFTER all order dependent Properties are updated
    * because it relies on vertex positions to be stable and all shape attributes to be calculated. See
diff --git a/js/quadrilateral/model/QuadrilateralVisibilityModel.ts b/js/quadrilateral/model/QuadrilateralVisibilityModel.ts
index 44712c4e..47d20691 100644
--- a/js/quadrilateral/model/QuadrilateralVisibilityModel.ts
+++ b/js/quadrilateral/model/QuadrilateralVisibilityModel.ts
@@ -20,6 +20,7 @@ export default class QuadrilateralVisibilityModel {
   public readonly vertexLabelsVisibleProperty: BooleanProperty;
 
   // Whether the grid is visible.
+  // REVIEW: Should and other boolean options start with "is"?
   public readonly gridVisibleProperty: BooleanProperty;
 
   // Whether the diagonal guides are visible.