diff --git a/js/buttons/RoundMomentaryButton.js b/js/buttons/RoundMomentaryButton.js
index daed1fe3..c783db9f 100644
--- a/js/buttons/RoundMomentaryButton.js
+++ b/js/buttons/RoundMomentaryButton.js
@@ -29,8 +29,9 @@ function RoundMomentaryButton( valueOff, valueOn, property, options ) {
     phetioType: RoundMomentaryButtonIO
   }, options );
 
-  // Note it shares a tandem with this, so the emitter will be instrumented as a child of the button
+  // @public Note it shares a tandem with this, so the emitter will be instrumented as a child of the button
   this.buttonModel = new MomentaryButtonModel( valueOff, valueOn, property, options );
+
   RoundButtonView.call( this, this.buttonModel, new MomentaryButtonInteractionStateProperty( this.buttonModel ), options );
 }