diff --git a/doc/facade-and-adaptor.rst b/doc/facade-and-adaptor.rst
index e06567b..9ed64a1 100644
--- a/doc/facade-and-adaptor.rst
+++ b/doc/facade-and-adaptor.rst
@@ -3,7 +3,7 @@
 +++++++++++++++++++++++++++++
 
 :Author: David Abrahams, Jeremy Siek, Thomas Witt
-:Contact: dave@boost-consulting.com, jsiek@osl.iu.edu, witt@ive.uni-hannover.de
+:Contact: dave@boost-consulting.com, jsiek@osl.iu.edu, witt@acm.org
 :organization: `Boost Consulting`_, Indiana University `Open Systems
                Lab`_, University of Hanover `Institute for Transport
                Railway Operation and Construction`_
diff --git a/doc/new-iter-concepts.rst b/doc/new-iter-concepts.rst
index 157bf28..ef9ecd9 100644
--- a/doc/new-iter-concepts.rst
+++ b/doc/new-iter-concepts.rst
@@ -3,7 +3,7 @@
 ++++++++++++++++++++++
 
 :Author: David Abrahams, Jeremy Siek, Thomas Witt
-:Contact: dave@boost-consulting.com, jsiek@osl.iu.edu, witt@ive.uni-hannover.de
+:Contact: dave@boost-consulting.com, jsiek@osl.iu.edu, witt@acm.org
 :organization: `Boost Consulting`_, Indiana University `Open Systems Lab`_, University of Hanover `Institute for Transport Railway Operation and Construction`_
 :date: $Date$
 :Number: **This document is a revised version of the official** N1477=03-0060