diff --git a/Phaser/geom/Vector2.ts b/Phaser/geom/Vector2.ts
index 91da7f43..51d94608 100644
--- a/Phaser/geom/Vector2.ts
+++ b/Phaser/geom/Vector2.ts
@@ -177,6 +177,31 @@ module Phaser {
             return this;
         }
 
+        /**
+        * Multiply this vector by the given scalar.
+        * 
+        * @param {number} scalar
+        * @return {Vector2} This for chaining.
+        */
+        public mutableMultiplyByScalar(scalar: number): Vector2 {
+            this.x *= scalar;
+            this.y *= scalar;
+            return this;
+        }
+
+        /**
+        * Divide this vector by the given scalar.
+        * 
+        * @param {number} scalar
+        * @return {Vector2} This for chaining.
+        */
+        public mutableDivideByScalar(scalar: number): Vector2 {
+            this.x /= scalar;
+            this.y /= scalar;
+            return this;
+        }
+
+
         /**
         * Reverse this vector.
         * 
diff --git a/Phaser/system/animation/Animation.ts b/Phaser/system/animation/Animation.ts
index e24ac480..abb91319 100644
--- a/Phaser/system/animation/Animation.ts
+++ b/Phaser/system/animation/Animation.ts
@@ -258,7 +258,7 @@ module Phaser {
 
             this.isPlaying = false;
             this.isFinished = true;
-            //  callback
+            //  callback goes here
 
         }