Updates js.md (h5bp#1982)

src/doc/js.md

@@ -8,14 +8,13 @@ Information about the default JavaScript included in the project.
 ## main.js
 
 This file can be used to contain or reference your site/app JavaScript code.
-For larger projects, you can make use of a JavaScript module loader, like
-[Require.js](http://requirejs.org/), to load any other scripts you need to
-run.
+If you're working on something more advanced you might replace this file
+entirely. That's cool. 
 
 ## plugins.js
 
 This file can be used to contain all your plugins, such as jQuery plugins and
-other 3rd party scripts.
+other 3rd party scripts for a simple site.
 
 One approach is to put jQuery plugins inside of a `(function($){ ...
 })(jQuery);` closure to make sure they're in the jQuery namespace safety
@@ -27,11 +26,11 @@ errors in browsers that lack a `console`. The script will make sure that, if
 a console method isn't available, that method will have the value of empty
 function, thus, preventing the browser from throwing an error.
 
-
 ## vendor
 
 This directory can be used to contain all 3rd party library code.
 
 Minified versions of the latest jQuery and Modernizr libraries are included by
 default. You may wish to create your own [custom Modernizr
-build](https://www.modernizr.com/download/).
+build with the online builder](https://www.modernizr.com/download/) or [command
+line tool](https://modernizr.com/docs#command-line-config).