diff --git a/web/documentation/index.org b/web/documentation/index.org
index 07a5f9f..878312c 100644
--- a/web/documentation/index.org
+++ b/web/documentation/index.org
@@ -1,40 +1,41 @@
 #+TITLE: GnuPG - Support
 #+STARTUP: showall
 #+SETUPFILE: "../share/setup.inc"
 
 * Documentation
 
   - [[file:howtos.org][HOWTOs]] :: Includes links to some HOWTOs available in several
               languages to get out the best from GnuPG.
   - [[file:manuals.org][Manuals]] :: A list of online available manuals which are also
                provided with the software.
   - [[file:guides.org][User Guides]] :: Draft versions of the user manual are available,
                    and there is also documentation covering
                    interoperation with PGP 2.x. In addition, the software comes with man
 		   pages, and we have John Michael Ashley's /The GNU
                    Privacy Handbook/ (GPH).
   - [[file:faqs.org][FAQs]] :: Online version of the FAQs is now available. Please
             consult these FAQs before you ask on one of the mailing
             lists or report a bug.
 
   - [[file:security.org][Security]] :: How to report security problems.
 
-  You may also notice that OpenPGP is a proposed Internet standard,
-  described by [[https://www.rfc-editor.org/rfc/rfc4880.txt][RFC-4880]].
+  You may also notice that OpenPGP is described by [[https://www.rfc-editor.org/rfc/rfc4880.txt][RFC-4880]].  GnuPG
+  actually implements an updated version of this specification as
+  described by the [[https://datatracker.ietf.org/doc/draft-koch-openpgp-2015-rfc4880bis/][rfc4880bis]] document.
 
 * Community support
 
   - [[file:mailing-lists.org][Mailing lists]] :: Describes the purposes of each mailing list
                      hosted on this server and gives instruction on
                      how to subscribe. Links to other GnuPG-related
                      discussion groups are also available.
   - [[https://wiki.gnupg.org][Wiki]] :: The official GnuPG Wiki contains community-maintained
             documentation for GnuPG and related software.
   - [[file:bts.org][BTS]] :: Before you report a bug, please consult the list of bugs.
 
 * Other types of support
 
   - [[../service.org][Commercial support]] :: Listing of companies offering commercial
        support for GnuPG
 
   - [[http://twitter.com/gnupg][@gnupg]] :: We sometimes post short messages to Twitter.