README.md in termup-2.0.3 vs README.md in termup-3.0.0

@@ -3,23 +3,29 @@
 
 Automate opening up terminal tabs (or split panes) with a set of routine commands.
 
 It's the easiest way to get started for your projects every day.
 
-Compatible with Terminal.app and iTerm 2 on Mac OS X 10.6 - 10.8 and Ruby 1.8.7 - 1.9.3.
+Compatible with Terminal.app and iTerm2 v3 on OSX Yosemite or later.
 
 ![Split Panes](https://github.com/kenn/termup/raw/master/images/split_panes.png)
 
-**iTerm 1 users:** Termup 2.0 and up is not compatible with iTerm 1. Install 1.3.1 by `gem install termup -v=1.3.1`
+**For iTerm2 v2 or earlier:** Termup 3.0 and up is not compatible with iTerm2 v2. Install Termup 2 by `gem install termup -v=2.0.3`
+**For iTerm 1:** Termup 2.0 and up is not compatible with iTerm 1. Install 1.3.1 by `gem install termup -v=1.3.1`
 
 Installation
 ------------
 
 ```sh
 $ gem install termup
 ```
 
 Note that you need to prepend `sudo` if you're using the OSX pre-installed Ruby.
+
+Changelog
+---------
+
+Termup v3.0 is a complete rewrite using the new JavaScript for Automation which was introduced with OSX Yosemite.
 
 Usage
 -----
 
 ### Getting Started ###