docs: revisions to ndk download intro

Change-Id: Ib1ba3d5f0e727a1246dc92161b72bcfff6f9d772
diff --git a/tools/droiddoc/templates-sdk/sdkpage.cs b/tools/droiddoc/templates-sdk/sdkpage.cs
index d3edf58..cc7f5f5 100644
--- a/tools/droiddoc/templates-sdk/sdkpage.cs
+++ b/tools/droiddoc/templates-sdk/sdkpage.cs
@@ -67,22 +67,19 @@
 inside of a virtual machine on the device. The fundamental Android application model
 does not change.</p>
 
-Using native code does not result in an automatic performance increase, 
+<p>Using native code does not result in an automatic performance increase, 
 but always increases application complexity. If you have not run into any limitations
-using the Android framework APIs, you probably do not need the NDK. 
-<p>Read <a href="<?cs var:toroot ?>sdk/ndk/overview.html">What is the NDK?</a>
-to get an understanding of what the NDK offers and whether
-it will be useful to you.
+using the Android framework APIs, you probably do not need the NDK. Read <a 
+href="<?cs var:toroot ?>sdk/ndk/overview.html">What is the NDK?</a> for more information about what
+the NDK offers and whether it will be useful to you.
 </p>
 <p>
 The NDK is designed for use <em>only</em> in conjunction with the
-Android SDK, so if you have not already installed the latest Android SDK, please
+Android SDK. If you have not already installed and setup the <a
+href="http://developer.android.com/sdk/index.html">Android SDK</a>, please
 do so before downloading the NDK. 
 </p>
 
-<p>Select the download package that is appropriate for your development
-computer. </p>
-
   <table class="download">
     <tr>
       <th>Platform</th>