diff --git a/doc/useful_addresses.html b/doc/useful_addresses.html
index 0b8bf4d9..6ba28607 100644
--- a/doc/useful_addresses.html
+++ b/doc/useful_addresses.html
@@ -170,6 +170,10 @@ Requires GTK--.
 <br>wmlm78 and wmsensors are graphical extensions of lm_sensors, which
 can be docked in Window Manager.
 
+<LI><A HREF="http://denis.corbin.free.fr/software.html">sentinelle</A>, a
+daemon which warns you when your sensor readings reach critical values.
+
+
 </ul>
 
 <li>