Minor content/messaging changes in advance of final review.

Change-Id: I0c1b9f85db253a56c1c8daf6239eb9fec44ed124
diff --git a/pdk/docs/about/index.jd b/pdk/docs/about/index.jd
index 2f98b65..43d2a8d 100644
--- a/pdk/docs/about/index.jd
+++ b/pdk/docs/about/index.jd
@@ -3,10 +3,10 @@
 doc.hidenav=true
 @jd:body
 <p>Android is an open-source software stack created for mobile phones and
-other devices.  The Android Open Source Project (AOSP) is tasked with the
-maintenance and further development of Android. Many device manufacturers have
-brought to market devices running Android, and they are readibly available
-around the world.</p>
+other devices.  The Android Open Source Project (AOSP), led by Google, is
+tasked with the maintenance and further development of Android. Many device
+manufacturers have brought to market devices running Android, and they are
+readibly available around the world.</p>
 <p>Our primary purpose is to build an excellent software platform for everyday
 users. A number of companies have committed many engineers to achieve this
 goal, and the result is a full production quality consumer product whose
diff --git a/pdk/docs/about/philosophy.jd b/pdk/docs/about/philosophy.jd
index eb3039e..1562e42 100644
--- a/pdk/docs/about/philosophy.jd
+++ b/pdk/docs/about/philosophy.jd
@@ -2,7 +2,7 @@
 doc.type=about
 doc.hidenav=true
 @jd:body
-<p>Android is an open-source software stack for mobile phones and similar
+<p>Android is an open-source software stack for mobile phones and other
 devices.</p>
 <h2>Origin and Goal</h2>
 <p>Android was originated by a group of companies known as the Open Handset
@@ -16,9 +16,8 @@
 ideas a reality. We wanted to make sure that there was no central point of
 failure, where one industry player could restrict or control the innovations
 of any other. The solution we chose was an open and open-source platform.</p>
-<p>But the ultimate goal, of course, is to improve the mobile experience for
-real users by facilitating innovation. Accordingly, the primary goal of the
-AOSP is to make sure Android is a success as an end user product.</p>
+<p>The goal of the Android Open Source Project is to create a successful
+real-world product that improves the mobile experience for end users.</p>
 <h2>Governance Philosophy</h2>
 <p>The companies that have invested in Android have done so on its merits,
 because we believe that an open platform is necessary. Android is
@@ -34,7 +33,7 @@
 Anyone can (and will!) use the Android source code for any purpose, and we
 welcome all such uses. However, in order to take part in the shared
 ecosystem of applications that we are building around Android, device builders
-can take advantage of the Compatibility Program.</p>
+must participate in the Compatibility Program.</p>
 <p>Though Android consists of multiple sub-projects, this is strictly a
 project-management technique. We view and manage Android as a single,
 holistic software product, not a "distribution", specification, or collection