Updated direct download instructions.

download.html

@@ -52,7 +52,7 @@
 
           <p>Briar for Android is currently in <a href="news/2017-beta-released-security-audit.html">public beta</a> and is available for download <a href="https://play.google.com/store/apps/details?id=org.briarproject.briar.beta">from Google Play</a>.</p>
 
-          <p>The <a href="https://briarproject.org/manual">manual</a> describes how to use Briar and the features that are available.</p>
+          <p>If you prefer not to use Google Play, the <a href="https://briarproject.org/manual">manual</a> describes how to download the app directly from this site.</p>
 
           <p>If you'd like to be informed when the final app is available, please <a href="https://lists.sourceforge.net/lists/listinfo/briar-announce">join the announcement mailing list</a>.</p>