(Contact information): Mention http://bugzilla.lysator.liu.se/.

README

@@ -178,9 +178,14 @@ conversion.  You can convert back the database to the old format with
 5. Contact information
 ======================
 
-If you find a bug, please send your bug reports to the email address
-bug-lyskom@lysator.liu.se, but before you do, please check the
-documentation and the file TODO to see if the bug is already known.
+If you find a bug, please take a moment to check the bug database at
+http://bugzilla.lysator.liu.se/ to make sure that it isn't an old
+bug.  If you find your bug there, and feel that you have more
+information about it, please make an "additional comment".  If you
+cannot find the bug, please enter a bug report there.
+
+If you are unable to use Bugzilla, you can send your bug reports to
+the email address bug-lyskom@lysator.liu.se.
 
 The latest release of the server can always be found from