README.md in ucb_rails_cli-0.9.0 vs README.md in ucb_rails_cli-1.0.0

@@ -5,21 +5,26 @@
   * authentication through [CAS](https://calnetweb.berkeley.edu/calnet-technologists/cas) and user management via the [ucb_rails_user gem](https://github.com/ucb-ist-eas/ucb_rails_user)
   * default home page for logged-in and not-logged-in users
   * nav bar with drop-down menus for developers and admins
   * styles consistent with [UCB brand guidelines](http://brand.berkeley.edu/)
   * HAML for views
+  * Bootstrap 4 for styling
   * SASS for CSS
-  * RSpec for tests
   * [Datatables](https://datatables.net/) for client-side table sorting
+  * RSpec for tests
 
 **NOTE:** Applications generated with this tool have turbolinks turned off.
 
 ## Prerequisites
 
   * Ruby >= 2.3
   * Rails >= 5.1
 
 Older versions of these might work, but haven't been tested.
+
+## Bootstrap version
+
+Version 1.0 of this gem uses Bootstrap 4. Use version 0.9.0 if you need Bootstrap 3
 
 ## Installation
 
 ```bash
 gem install ucb_rails_cli