[DOCS] Object3D: added explanation of default to Object3D.position

docs/api/core/Object3D.html

@@ -112,7 +112,7 @@
 		<div>Object's parent in the [link:https://en.wikipedia.org/wiki/Scene_graph scene graph].</div>
 
 		<h3>[property:Vector3 position]</h3>
-		<div>The object's local position.</div>
+		<div>A [page:Vector3] representing the object's local position. Default is (0, 0, 0).</div>
 
 		<h3>[property:Quaternion quaternion]</h3>
 		<div>Object's local rotation as a [page:Quaternion Quaternion].</div>