Add thank you to beta testers.

download.html

@@ -54,6 +54,8 @@
 
           <p>The first release candidate of Briar for Android is now available for download from Google Play. This release will become Briar 1.0 unless significant bugs are found.</p>
 
+          <p>
+            Thank you to everyone who tested the beta version! We've fixed a lot of bugs and made many improvements thanks to your feedback.
           <p>
             <a href="https://play.google.com/apps/testing/org.briarproject.briar.android" rel="noopener noreferrer" target="_blank"><img id="playbutton" src="img/google_play_badge_web_generic.png" alt="Get it on Google Play" border="0"/></a>
             <a href="fdroid.html"><img id="fdroidbutton" src="img/fdroid_badge.png" alt="Get it on F-Droid" border="0"/></a>
@@ -61,7 +63,7 @@
 
           <p>If you prefer not to use Google Play, you can <a href="fdroid.html">install the app via F-Droid</a> or <a href="apk.html">download the APK file</a> directly from our site.</p>
 
-          <p>If you'd like to be informed about Briar releases, please <a href="https://lists.sourceforge.net/lists/listinfo/briar-announce">join the announcement mailing list</a>.</p>
+          <p>If you'd like to be informed about future Briar releases, please <a href="https://lists.sourceforge.net/lists/listinfo/briar-announce">join the announcement mailing list</a>.</p>
 
           <p>If you're interested in getting involved or following the progress of the project, please <a href="https://lists.sourceforge.net/lists/listinfo/briar-devel">join the development mailing list</a> or email <a href="mailto:contact@briarproject.org">contact@briarproject.org</a> [<a href="keys/contact.asc">PGP key</a>].</p>
 

index.html

@@ -55,7 +55,7 @@
           <p>
             <strong>Latest News:</strong>
             <a href="download.html">
-              The first release candidate for Briar 1.0 is now available
+              Briar 1.0 release candidate
             </a>
           </p>