Changed "rotating" to "scaling" for the scale example

2.md

@@ -118,7 +118,7 @@ With children, changing the `Scale` of the parent will also change the `Scale` t
 ```cpp
 auto myNode = cocos2d::Node::create();
 
-// rotating by setting
+// scaling by setting
 myNode->setScale(1.5); // scales uniformly by 1.5
 ```