--- a/website/download.html
+++ b/website/download.html
@@ -220,6 +220,7 @@
        after 9.10 (Karmic), only one command is needed:
 <pre><tt>
 sudo add-apt-repository ppa:recoll-backports/recoll-1.15-on
+sudo add-apt-repository ppa:xapian-backports/xapian-1.2
 </tt></pre>
        </p>