Doc change: Move framework api change info higher in platform notes documents.
Small adjustment to compatibility doc.

Change-Id: I2af896292b00323d7f4eb2c828c8dea36b9e94ad
diff --git a/docs/html/guide/practices/compatibility.jd b/docs/html/guide/practices/compatibility.jd
index c91ab7f..bb7a72e 100644
--- a/docs/html/guide/practices/compatibility.jd
+++ b/docs/html/guide/practices/compatibility.jd
@@ -36,15 +36,16 @@
 variety of hardware.</p>
 
 <p>Fortunately, Android has built-in tools and support that make it easy for
-your apps to do that, while at the same time maintaining control of what types
-of devices your app is available to. If you do your work properly, users
+your apps to do that, while at the same time letting you maintain control of
+what types of devices your app is available to. With a bit of forethought and
+some minor changes in your app's manifest file, you can ensure that users
 whose devices can’t run your app will never see it in the Android Market, and
 will not get in trouble by downloading it. This page explains how you can
 control which devices have access to your apps, and how to prepare your apps to
 make sure they reach the right audience.</p>
 
 
-<h3 id="defined">What does “Compatibility” mean?</h3>
+<h3 id="defined">What does “compatibility” mean?</h3>
 
 <p>A device is “Android compatible” if it can correctly run apps written for the
 <em>Android execution environment</em>. The exact details of the Android execution