add return for Color.set documentation

docs/api/math/Color.html

@@ -185,7 +185,7 @@
 		Clones this color.
 		</div>
 
-		<h3>.set([page:todo value]) [page:todo]</h3>
+		<h3>.set([page:todo value]) [page:this]</h3>
 		<div>
 		value -- either an instance of Color, a hexadecimal value, or a css style string
 		</div>