README.md in whois-3.6.5 vs README.md in whois-4.0.0.pre.beta1

@@ -24,18 +24,18 @@
 - Successfully tested against several [Ruby implementations](http://whoisrb.org/manual/interpreters/)
 
 
 ## Requirements
 
-* Ruby >= 1.9.2
+* Ruby >= 2.0.0
 
 For older versions of Ruby, see the [CHANGELOG](CHANGELOG.md).
 
 
 ## Installation
 
-The best way to install <tt>Whois</tt> is via [RubyGems](https://rubygems.org/). [Learn more](http://whoisrb.org/manual/installing/).
+The best way to install <tt>Whois</tt> is via [RubyGems](https://rubygems.org/) — [Learn more](http://whoisrb.org/manual/installing/)
 
     $ gem install whois
 
 
 ## Getting Started
@@ -150,11 +150,11 @@
 ```
 
 
 ## Credits
 
-<tt>Whois</tt> was created and is maintained by [Simone Carletti](http://simonecarletti.com/). Many improvements and bugfixes were contributed by the [open source community](https://github.com/weppos/whois/graphs/contributors).
+<tt>Whois</tt> was created and is maintained by [Simone Carletti](https://simonecarletti.com/). Many improvements and bugfixes were contributed by the [open source community](https://github.com/weppos/whois/graphs/contributors).
 
 
 ## Contributing
 
 Direct questions and discussions to [Stack Overflow](https://stackoverflow.com/questions/tagged/whois-ruby).
@@ -168,9 +168,14 @@
 
 - [Homepage](http://whoisrb.org/)
 - [RubyGems](https://rubygems.org/gems/whois)
 - [Issues](https://github.com/weppos/whois)
 - [Stack Overflow](https://stackoverflow.com/questions/tagged/whois-ruby)
+
+
+## Versioning
+
+<tt>Whois</tt> uses [Semantic Versioning 2.0.0](http://semver.org)
 
 
 ## License
 
 Copyright (c) 2009-2015 Simone Carletti. This is Free Software distributed under the MIT license.