Use the correct URL to AMK's regex-to-re HOWTO!
diff --git a/Doc/lib/libregex.tex b/Doc/lib/libregex.tex
index 33f346b..fabc182 100644
--- a/Doc/lib/libregex.tex
+++ b/Doc/lib/libregex.tex
@@ -14,8 +14,9 @@
converted. The standard library module
\code{reconvert}\refstmodindex{reconvert} helps in converting
\code{regex} style regular expressions to \code{re}\refstmodindex{re}
-style regular expressions. (For more conversion help, see the URL
-\url{http://www.python.org/doc/howto/regex-to-re.html}.)
+style regular expressions. (For more conversion help, see Andrew
+Kuchling's\index{Kuchling, Andrew} ``\module{regex-to-re} HOWTO'' at
+\url{http://www.python.org/doc/howto/regex-to-re/}.)
By default the patterns are Emacs-style regular expressions
(with one exception). There is