re-format APK download

doc/index.html

@@ -271,7 +271,9 @@ me:<br>
 <pre>git clone http://galexander.org/git/simplesshd.git</pre>
 
 <p>Direct APK download:
-<a href="SimpleSSHD-19.apk">SimpleSSHD-19.apk</a> - last version to target SDK 11, Android 3.0 Honeycomb.<br>
-<a href="SimpleSSHD-23.apk">SimpleSSHD-23.apk</a></p>
+<ul>
+<li><a href="SimpleSSHD-19.apk">SimpleSSHD-19.apk</a> - last version to target SDK 11, Android 3.0 Honeycomb.
+<li><a href="SimpleSSHD-23.apk">SimpleSSHD-23.apk</a>
+</ul></p>
 
 </body></html>