diff --git a/js/common/GreenhouseEffectQueryParameters.ts b/js/common/GreenhouseEffectQueryParameters.ts
index aada82ab..c5593b41 100644
--- a/js/common/GreenhouseEffectQueryParameters.ts
+++ b/js/common/GreenhouseEffectQueryParameters.ts
@@ -10,10 +10,10 @@ import greenhouseEffect from '../greenhouseEffect.js';
 
 const GreenhouseEffectQueryParameters = QueryStringMachine.getAll( {
 
-  // This flag can be used to enable an "Options" dialog that is available from the PhET menu.  This is used to enable
-  // designers to test drive some alternative sounds, see mockups and so forth.
+  // This flag can be used to enable custom sim-specific options in the Preferences dialog.  This is used to enable
+  // designers to test drive some alternative sounds, see mockups, and so forth.
   // TODO: This query parameter and the associated dialog should be completely removed prior to publication, see
-  //       https://github.com/phetsims/greenhouse-effect/issues/168.
+  //       https://github.com/phetsims/greenhouse-effect/issues/179.
   customPreferences: { type: 'flag' },
 
   // This threshold value is used to decide when an EnergyAbsorbingEmittingLayer is considered to be in equilibrium,
diff --git a/js/greenhouse-effect-main.ts b/js/greenhouse-effect-main.ts
index d8432baf..93ca79e1 100644
--- a/js/greenhouse-effect-main.ts
+++ b/js/greenhouse-effect-main.ts
@@ -46,9 +46,9 @@ const simOptions: SimOptions = {
   hasKeyboardHelpContent: true
 };
 
-// If the appropriate query parameter is set, add an "Options" dialog that designers can use to try out different
-// design choices.
-// TODO: This should be removed before publication, see https://github.com/phetsims/greenhouse-effect/issues/168.
+// If the appropriate query parameter is set, add controls to the Preferences dialog that designers can use to try out
+// different design choices.
+// TODO: This should be removed before publication, see https://github.com/phetsims/greenhouse-effect/issues/179.
 if ( GreenhouseEffectQueryParameters.customPreferences ) {
   simOptions.preferencesModel = new PreferencesModel( {
     simulationOptions: {