am fa1320e: docs: revise getting started intro

* commit 'fa1320e6148285b2125369fcd5799331132b0eba':
  docs: revise getting started intro

Author: scottamain

docs/html/training/index.jd

@@ -5,8 +5,8 @@ page.metaDescription=Android Training provides a collection of classes that aim
 @jd:body
 
 
-<p>Welcome to Training. Each class provides a series of lessons that
-describe how to accomplish a specific task with code samples you can re-use in your app.
+<p>Welcome to Training for Android developers. Here you'll find sets of lessons within classes
+that describe how to accomplish a specific task with code samples you can re-use in your app.
 Classes are organized into several groups you can see at the top-level of the left navigation.</p>
 
 <p>This first group, <em>Getting Started</em>, teaches you the bare