README.md in rast-0.14.0 vs README.md in rast-0.15.1

@@ -1,6 +1,10 @@
 # Overview
+
 RSpec All Scenario Testing
+
+This library runs on top of RSpec to provide basically a parameterized unit testing pattern. It follows a specific pattern of writing unit tests, enabling a predictable, complete and easy to analyze report result.
+
 
 ## Definition of terms
 
 `spec` - as defined in the yaml file, the individual elements under `specs`
 `scenario` - a specific combination of tokens from vars, it can uniquely identify a fixture.