updated docs on weapon's setBulletBodyOffset

Author: James

src/plugins/weapon/WeaponPlugin.js

@@ -979,9 +979,9 @@ Phaser.Weapon.prototype.fireAtXY = function (x, y) {
 * For example: If you have a Sprite with a texture that is 80x100 in size,
 * and you want the physics body to be 32x32 pixels in the middle of the texture, you would do:
 *
-* `setSize(32, 32, 24, 34)`
+* `setSize(32 / Math.abs(this.scale.x), 32 / Math.abs(this.scale.y), 24, 34)`
 *
-* Where the first two parameters is the new Body size (32x32 pixels).
+* Where the first two parameters are the new Body size (32x32 pixels) relative to the Sprite's scale.
 * 24 is the horizontal offset of the Body from the top-left of the Sprites texture, and 34
 * is the vertical offset.
 *