diff --git a/Doc/howto/regex.tex b/Doc/howto/regex.tex
index f9867ae..3c63b3a 100644
--- a/Doc/howto/regex.tex
+++ b/Doc/howto/regex.tex
@@ -367,7 +367,7 @@
 strings, and displays whether the RE matches or fails.
 \file{redemo.py} can be quite useful when trying to debug a
 complicated RE.  Phil Schwartz's
-\ulink{Kodos}{http://kodos.sourceforge.net} is also an interactive
+\ulink{Kodos}{http://www.phil-schwartz.com/kodos.spy} is also an interactive
 tool for developing and testing RE patterns.  This HOWTO will use the
 standard Python interpreter for its examples.