README.md in vagrant-berkshelf-4.1.0 vs README.md in vagrant-berkshelf-5.0.0

@@ -1,31 +1,32 @@
-Vagrant Berkshelf Plugin
-========================
-[![Gem Version](http://img.shields.io/gem/v/vagrant-berkshelf.svg)][gem]
-[![Build Status](http://img.shields.io/travis/berkshelf/vagrant-berkshelf.svg)][travis]
+# Vagrant Berkshelf Plugin
 
-[gem]: https://rubygems.org/gems/vagrant-berkshelf
-[travis]: http://travis-ci.org/berkshelf/vagrant-berkshelf
+[![Gem Version](http://img.shields.io/gem/v/vagrant-berkshelf.svg)][gem] [![Build Status](http://img.shields.io/travis/berkshelf/vagrant-berkshelf.svg)][travis]
 
-Vagrant Berkshelf is a Vagrant plugin that adds Berkshelf integration to the
-Chef provisioners. Vagrant Berkshelf will automatically download and install
-cookbooks onto the Vagrant Virtual Machine.
+Vagrant Berkshelf is a Vagrant plugin that adds Berkshelf integration to the Chef provisioners. Vagrant Berkshelf will automatically download and install cookbooks onto the Vagrant Virtual Machine.
 
+## vagrant-berkshelf vs. Test Kitchen
 
-Installation
-------------
-1. Install the latest version of [Vagrant](http://www.vagrantup.com/downloads.html)
+This plugin was created before the development of Test Kitchen and its usefulness in a post-Test Kitchen world is questionable. We believe Test Kitchen provides a robust and stable platform for testing cookbooks and we *highly* recommend using Test Kitchen instead of Vagrant for your cookbook testing workflows.
+
+See Seth Vargo's blog post for additional information:
+https://sethvargo.com/the-future-of-vagrant-berkshelf/
+
+
+## Installation
+
+1. Install the latest version of [Vagrant](https://www.vagrantup.com/downloads.html)
 2. Install the latest version of [ChefDK](https://downloads.chef.io/chef-dk/)
 3. Install the Vagrant Berkshelf plugin:
 
-        $ vagrant plugin install vagrant-berkshelf
+  ```sh
+  $ vagrant plugin install vagrant-berkshelf
+  ```
 
+## Usage
 
-Usage
------
-If the Vagrant Berkshelf plugin is installed, it will intelligently detect when a
-Berksfile is present in the same working directory as the Vagrantfile.
+If the Vagrant Berkshelf plugin is installed, it will intelligently detect when a Berksfile is present in the same working directory as the Vagrantfile.
 
 Here is an example Vagrantfile configuration section for Vagrant Berkshelf:
 
 ```ruby
 Vagrant.configure("2") do |config|
@@ -49,23 +50,21 @@
   # is an empty array.
   config.berkshelf.args = ["--format json"]
 end
 ```
 
+## Contributing
 
-Contributing
-------------
 Thank you to all of our [Contributors](https://github.com/berkshelf/vagrant-berkshelf/graphs/contributors), testers, and users.
 
 - Please report issues [on the GitHub issue tracker](https://github.com/berkshelf/berkshelf/issues)
 - Hangout with us in #chef or #berkshelf on freenode
 
 If you'd like to contribute, please see our [contribution guidelines](https://github.com/berkshelf/vagrant-berkshelf/blob/master/CONTRIBUTING.md) first.
 
+## License & Authors
 
-License & Authors
------------------
 - Jamie Winsor ([e-mail])
 - Michael Ivey ([e-mail])
 - Seth Vargo ([e-mail])
 
 ```text
@@ -81,5 +80,8 @@
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 ```
+
+[gem]: https://rubygems.org/gems/vagrant-berkshelf
+[travis]: https://travis-ci.org/berkshelf/vagrant-berkshelf