X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=doc%2Fsource%2Fdeveloper-manual.sgml;h=cfa605e1be2a8d713386dcf952244ec91bf7433c;hp=e5c1aeabc58837dde2d9ff0b152e11d1e912f920;hb=f3058b66ddb6783fb5b17d84e2b00516b02327f5;hpb=a40ae391231accafda8e5bc3bf95954c51c9638e

diff --git a/doc/source/developer-manual.sgml b/doc/source/developer-manual.sgml
index e5c1aeab..cfa605e1 100644
--- a/doc/source/developer-manual.sgml
+++ b/doc/source/developer-manual.sgml
@@ -324,7 +324,7 @@ Hal.
   <para>
     All formal documents are maintained in Docbook SGML and located in the
     <computeroutput>doc/source/*</computeroutput> directory. You will need
-    <ulink url="http://www.docbook.org">Docbook</ulink>, the Docbook
+    <ulink url="https://www.docbook.org/">Docbook</ulink>, the Docbook
     DTD's and the Docbook modular stylesheets (or comparable alternatives),
     and either <application>jade</application> or
     <application>openjade</application> (recommended) installed in order to