Update README.md

README.md

-PolyORB-HI/Ada runtime
-======================
+# PolyORB-HI/Ada runtime
 
-[![Build Status](https://travis-ci.org/OpenAADL/polyorb-hi-ada.svg?branch=master)](https://travis-ci.org/OpenAADL/polyorb-hi-ada)
+## About
 
-This is the PolyORB-HI/Ada runtime, a high-integrity middleware used
-in conjunction with code generation from AADL models using Ocarina.
+PolyORB-HI/Ada is a high-integrity middleware. It provides core middleware constructs, and must be used in conjunction with code generation from AADL models by [Ocarina](https://github.com/OpenAADL/ocarina).
 
-The recommended installation process is through the proper
-configuration and installation of Ocarina, see Ocarina documentation
-for details.
+PolyORB-HI/Ada is implemented in [Ada 2012](http://www.ada2012.org), and is compatible with native and Ravenscar Ada runtimes.
+It has been tested on Linux, OS X, Windows and RTEMS.
+
+## Installation
+
+The recommended installation process is through the proper configuration and installation of [Ocarina](https://github.com/OpenAADL/ocarina), see Ocarina documentation for details.
+
+##Q&A
+
+Build status for Linux and OS X: [![Build Status](https://travis-ci.org/OpenAADL/polyorb-hi-ada.svg?branch=master)](https://travis-ci.org/OpenAADL/polyorb-hi-ada)