reply to REVIEW comment, #269

Signed-off-by: Chris Malley <[email protected]>

js/common/model/LightScene.js

@@ -25,7 +25,7 @@ define( require => {
       //REVIEW The reference is read only, but clients can call mutators on it.  So how should it be marked?
       //REVIEW^ With the exception of Property, I believe the PhET convention is that 'read-only' applies to assignment, not mutation. I added doc.
       // @public (read-only) {IntensitySample} reads out the intensity on the right hand side of the lattice
-      // While this is annotated as 'read-only', it can be mutated by clients.
+      // While this is annotated as 'read-only' for assignment, it can be mutated by clients.
       this.intensitySample = new IntensitySample( this.lattice );
     }