fixed backbone description

Signed-off-by: Tj Holowaychuk <tj@vision-media.ca>

assets.json

@@ -241,7 +241,7 @@
   "backbone": {
     "url": "https://github.com/documentcloud/backbone/raw/{version}/backbone.js",
     "compressed": "backbone-min.js"
-    "description": "Backbone supplies structure to JS Apps by providing models, views, collections, and events",
+    "description": "Backbone supplies structure to Javascript Apps by providing models, views, collections, and events",
     "tags": ["js"],
     "version": "0.3.3"
   }