diff --git a/doc/src/sgml/docguide.sgml b/doc/src/sgml/docguide.sgml
index e8a9778822f..ff58a173356 100644
--- a/doc/src/sgml/docguide.sgml
+++ b/doc/src/sgml/docguide.sgml
@@ -115,7 +115,7 @@
     </varlistentry>
 
     <varlistentry>
-     <term><ulink url="http://wiki.docbook.org/DocBookXslStylesheets">DocBook XSL Stylesheets</ulink></term>
+     <term><ulink url="https://github.com/docbook/wiki/wiki/DocBookXslStylesheets">DocBook XSL Stylesheets</ulink></term>
      <listitem>
       <para>
        These contain the processing instructions for converting the