Update Cache.html

docs/api/en/loaders/Cache.html

@@ -41,7 +41,7 @@
 
 		<h2>Methods</h2>
 
-		<h3>[method:null add]( [param:String key], file )</h3>
+		<h3>[method:null add]( [param:String key], [param:Object file] )</h3>
 		<p>
 		[page:String key] — the [page:String key] to reference the cached file by.<br />
 		[page:Object file] — The file to be cached.<br /><br />