diff --git a/js/buttons/PushButtonModel.js b/js/buttons/PushButtonModel.js
index 0aa983b5..dd841a06 100644
--- a/js/buttons/PushButtonModel.js
+++ b/js/buttons/PushButtonModel.js
@@ -31,6 +31,7 @@ class PushButtonModel extends ButtonModel {
       listener: null, // {function} convenience for adding 1 listener, no args
 
       // fire-on-hold feature
+      // TODO: these options are not supported with PDOM interaction, see https://github.com/phetsims/scenery/issues/1117
       fireOnHold: false, // is the fire-on-hold feature enabled?
       fireOnHoldDelay: 400, // start to fire continuously after pressing for this long (milliseconds)
       fireOnHoldInterval: 100, // fire continuously at this interval (milliseconds), same default as in ButtonModel
diff --git a/js/buttons/RectangularMomentaryButton.js b/js/buttons/RectangularMomentaryButton.js
index 0817c425..3d220f46 100644
--- a/js/buttons/RectangularMomentaryButton.js
+++ b/js/buttons/RectangularMomentaryButton.js
@@ -5,6 +5,8 @@
  * The 'off value' is the value when the button is not pressed.
  * The 'on value' is the value when the button is pressed.
  *
+ * TODO: Not supported with alternative input, see https://github.com/phetsims/scenery/issues/1117
+ *
  * @author Chris Malley (PixelZoom, Inc.)
  */
 
diff --git a/js/buttons/RoundMomentaryButton.js b/js/buttons/RoundMomentaryButton.js
index 506bef18..7892fd60 100644
--- a/js/buttons/RoundMomentaryButton.js
+++ b/js/buttons/RoundMomentaryButton.js
@@ -5,6 +5,8 @@
  * The 'off value' is the value when the button is not pressed.
  * The 'on value' is the value when the button is pressed.
  *
+ * TODO: Not supported with alternative input, see https://github.com/phetsims/scenery/issues/1117
+ *
  * @author Chris Malley (PixelZoom, Inc.)
  */