--- a/contrib/win32/ReadMe.html	Mon Oct 23 22:45:24 2017 +0200
+++ b/contrib/win32/ReadMe.html	Fri Oct 20 13:54:51 2017 -0500
@@ -51,7 +51,7 @@
       For documentation, please visit the <a
       href="https://mercurial-scm.org/">Mercurial web site</a>.
       You can also download a free book, <a
-      href="http://hgbook.red-bean.com/">Mercurial: The Definitive
+      href="https://book.mercurial-scm.org/">Mercurial: The Definitive
       Guide</a>.
     </p>