diff --git a/packages/pinball_components/lib/src/components/boundaries.dart b/packages/pinball_components/lib/src/components/boundaries.dart
index 27243568..022fd8c9 100644
--- a/packages/pinball_components/lib/src/components/boundaries.dart
+++ b/packages/pinball_components/lib/src/components/boundaries.dart
@@ -26,6 +26,7 @@ class _BottomBoundary extends BodyComponent with InitialPosition {
   /// {@macro bottom_boundary}
   _BottomBoundary()
       : super(
+          // TODO(ruimiguel): set final priority when RenderPriority PR merged.
           priority: Ball.boardPriority + 2,
           children: [_BottomBoundarySpriteComponent()],
         ) {
diff --git a/packages/pinball_components/lib/src/components/dino_walls.dart b/packages/pinball_components/lib/src/components/dino_walls.dart
index a4915e1e..4e0dbee2 100644
--- a/packages/pinball_components/lib/src/components/dino_walls.dart
+++ b/packages/pinball_components/lib/src/components/dino_walls.dart
@@ -31,6 +31,7 @@ class _DinoTopWall extends BodyComponent with InitialPosition {
   ///{@macro dino_top_wall}
   _DinoTopWall()
       : super(
+          // TODO(ruimiguel): set final priority when RenderPriority PR merged.
           priority: Ball.boardPriority + 1,
           children: [_DinoTopWallSpriteComponent()],
         ) {
@@ -126,6 +127,7 @@ class _DinoBottomWall extends BodyComponent with InitialPosition {
   ///{@macro dino_top_wall}
   _DinoBottomWall()
       : super(
+          // TODO(ruimiguel): set final priority when RenderPriority PR merged.
           priority: Ball.boardPriority + 1,
           children: [_DinoBottomWallSpriteComponent()],
         ) {