docs: revise getting started intro
diff --git a/docs/html/training/index.jd b/docs/html/training/index.jd
index 85fa19d..72ad018 100644
@@ -5,8 +5,8 @@
-<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