diff --git a/src/core/display/DisplayObject.js b/src/core/display/DisplayObject.js
index 8410d61..8002ee4 100644
--- a/src/core/display/DisplayObject.js
+++ b/src/core/display/DisplayObject.js
@@ -208,6 +208,7 @@
 
     /**
      * The pivot point of the displayObject that it rotates around
+     * Assignment by value since pixi-v4.
      *
      * @member {PIXI.Point|PIXI.ObservablePoint}
      * @memberof PIXI.DisplayObject#