Update Mesh.html

Clarifies that `Mesh`constructor can take an array of `Material`.

docs/api/objects/Mesh.html

@@ -34,8 +34,7 @@
 		<div>
 		[page:Geometry geometry] — (optional) an instance of [page:Geometry] or [page:BufferGeometry].
 		  Default is a new [page:BufferGeometry].<br />
-		[page:Material material] — (optional) a [page:Material]. Default is a new [page:MeshBasicMaterial]
-		  with a random color.
+		[page:Material material] — (optional) a single or an array of [page:Material]. Default is a new [page:MeshBasicMaterial]
 		</div>