commenting, #369 (comment)

Author: zepumph

js/AquaRadioButton.js

@@ -56,7 +56,7 @@ define( function( require ) {
 
     var self = this;
 
-    // @private
+    // @private - converted to an AXON/Property from a property to support PhET-iO
     this.enabledProperty = new BooleanProperty( options.enabled, {
       tandem: options.tandem.createTandem( 'enabledProperty' ),
       phetioInstanceDocumentation: 'Determines whether the AquaRadioButton is enabled (pressable) or disabled (grayed-out).'