Docs update phaserjs#1231

Author: photonstorm

src/gameobjects/SpriteBatch.js

@@ -10,6 +10,8 @@
 * 1000 sprites that all share the same texture (or texture atlas). It's also useful if running in Canvas mode and you have a lot of un-rotated or un-scaled
 * Sprites as it skips all of the Canvas setTransform calls, which helps performance, especially on mobile devices.
 *
+* Please note that any Sprite that is part of a SpriteBatch will not have its bounds updated, so will fail checks such as outOfBounds.
+*
 * @class Phaser.SpriteBatch
 * @extends Phaser.Group
 * @constructor