Fixed a spelling mistake

createjs.SounJS --> createjs.SoundJS

Author: seanfeld

README_CREATEJS_NAMESPACE.txt

@@ -4,7 +4,7 @@ For example, instead of playing a sound like this:
 var foo = SoundJS.play(id);
 
 You will need to reach into the createjs namespace:
-var bar = createjs.SounJS.play(id);
+var bar = createjs.SoundJS.play(id);
 
 This functionality is configurable though. You can easily shortcut the namespace or get rid of it completely.
 
@@ -21,4 +21,4 @@ var createjs = window; // sets window as the createjs namespace (the object the
 </script>
 <script src="easeljs.js"></script>
 
-This will also make CreateJS libraries compatible with old content that did not use a namespace, such as the output from the Flash Pro Toolkit for CreateJS v1.0.
+This will also make CreateJS libraries compatible with old content that did not use a namespace, such as the output from the Flash Pro Toolkit for CreateJS v1.0.