diff --git a/doc/tuple_users_guide.html b/doc/tuple_users_guide.html
index 992b77a..65e3a04 100644
--- a/doc/tuple_users_guide.html
+++ b/doc/tuple_users_guide.html
@@ -63,7 +63,6 @@ To compensate for this "deficiency", the Boost Tuple Library implement
 <p>To use tuple input and output operators,
 
 <pre><code>#include &quot;boost/tuple/tuple_io.hpp&quot;</code></pre>
-and add the <code>libs/tuple/src/tuple.hpp</code> file to your project.
 
 Both <code>tuple_io.hpp</code> and <code>tuple_comparison.hpp</code> include <code>tuple.hpp</code>.
 
@@ -491,11 +490,10 @@ Below is a list of compilers and known problems with each compiler:
 </table>
 
 <h2><a name = "thanks">Acknowledgements</a></h2>
-Gary Powell has been an indispensable helping hand. In particular, stream manipulators for tuples were his idea. Doug Gregor came up with a working version for MSVC. Thanks to Jeremy Siek, William Kempf, Jens Maurer for their help and suggestions. 
-The comments by Vesa Karvonen, John Max Skaller, Ed Brey, Beman Dawes and David Abrahams helped to improve the
+Gary Powell has been an indispensable helping hand. In particular, stream manipulators for tuples were his idea. Doug Gregor came up with a working version for MSVC. Thanks to Jeremy Siek, William Kempf and Jens Maurer for their help and suggestions. 
+The comments by Vesa Karvonen, John Max Skaller, Ed Brey, Beman Dawes, David Abrahams and Hartmut Kaiser helped to improve the
 library.
 The idea for the tie mechanism came from an old usenet article by Ian McCulloch, where he proposed something similar for std::pairs.
-
 <h2><a name = "references">References</a></h2>
 
 <p>