diff --git a/example/8-Ball.ts b/example/8-Ball.ts
index 276c20e8..a7555a67 100644
--- a/example/8-Ball.ts
+++ b/example/8-Ball.ts
@@ -222,6 +222,7 @@ class BilliardPhysics {
     const pocket = fA.getUserData() === POCKET ? bA : fB.getUserData() === POCKET ? bB : null;
 
     if (ball && pocket) {
+      // do not change world immediately
       this.world.queueUpdate(() => {
         this.world.destroyBody(ball);
         this.client?.onBallInPocket(ball, pocket);
diff --git a/example/Asteroid.ts b/example/Asteroid.ts
index 74f69624..880d2b0e 100644
--- a/example/Asteroid.ts
+++ b/example/Asteroid.ts
@@ -231,12 +231,14 @@ class AsteroidPhysics {
     const asteroid = dataA?.type == "asteroid" ? bodyA : dataB?.type == "asteroid" ? bodyB : null;
 
     if (ship && asteroid) {
+      // do not change world immediately
       this.world.queueUpdate(() => {
         this.client?.collideShipAsteroid(ship, asteroid);
       });
     }
 
     if (bullet && asteroid) {
+      // do not change world immediately
       this.world.queueUpdate(() => {
         this.client?.collideBulletAsteroid(bullet, asteroid);
       });