Merge pull request jashkenas#607 from two-bit-fool/misc_cleanup

fix a small error in the documentation

backbone.js

@@ -1022,7 +1022,7 @@
 
   // Override this function to change the manner in which Backbone persists
   // models to the server. You will be passed the type of request, and the
-  // model in question. By default, uses makes a RESTful Ajax request
+  // model in question. By default, makes a RESTful Ajax request
   // to the model's `url()`. Some possible customizations could be:
   //
   // * Use `setTimeout` to batch rapid-fire updates into a single request.