diff --git a/doc/comedilib.sgml b/doc/comedilib.sgml
index ef1bae2..282b5c0 100644
--- a/doc/comedilib.sgml
+++ b/doc/comedilib.sgml
@@ -29,7 +29,16 @@
     <surname>Hess</surname>
     <affiliation>
       <address>
-        fmhess@uiuc.edu
+        fmhess@users.sourceforge.net
+      </address>
+    </affiliation>
+  </author>
+  <author>
+    <firstname>Herman</firstname>
+    <surname>Bruyninckx</surname>
+    <affiliation>
+      <address>
+        Herman.Bruyninckx@mech.kuleuven.ac.be
       </address>
     </affiliation>
   </author>