Camera.html getWorldDirection.html change

docs/api/cameras/Camera.html

@@ -35,10 +35,11 @@
 
 		<h2>Methods</h2>
 		
-		<h3>[method:null getWorldDirection]()</h3>
+		<h3>[method:Vector3 getWorldDirection]([page:Vector3 vector])</h3>
 		<div>
+		vector — (optional)<br />
 		<br />
-		This return the world direction.
+		It returns a vector representing the direction in which the camera is looking, in world space.
 		</div>