diff --git a/v3/src/physics/impact/Body.js b/v3/src/physics/impact/Body.js
index b966248a8..1681279f6 100644
--- a/v3/src/physics/impact/Body.js
+++ b/v3/src/physics/impact/Body.js
@@ -58,6 +58,8 @@ var Body = new Class({
         this.debugShowBody = world.defaults.debugShowBody;
         this.debugShowVelocity = world.defaults.debugShowVelocity;
         this.debugBodyColor = world.defaults.bodyDebugColor;
+
+        this.updateCallback;
     
         //  min 44 deg, max 136 deg
         this.slopeStanding = { min: 0.767944870877505, max: 2.3736477827122884 };
@@ -135,6 +137,11 @@ var Body = new Class({
                 graphic.lineBetween(x, y, x + this.vel.x, y + this.vel.y);
             }
         }
+
+        if (this.updateCallback)
+        {
+            this.updateCallback(this);
+        }
     },
 
     skipHash: function ()
diff --git a/v3/src/physics/impact/World.js b/v3/src/physics/impact/World.js
index f63bb6c89..48ec6b51e 100644
--- a/v3/src/physics/impact/World.js
+++ b/v3/src/physics/impact/World.js
@@ -210,7 +210,7 @@ var World = new Class({
             }
         }
 
-        //  Run collision against them all now they're in the new positions from the udpate
+        //  Run collision against them all now they're in the new positions from the update
 
         for (i = 0; i < len; i++)
         {