diff --git a/doc/emulations.qbk b/doc/emulations.qbk
index 61774af82..031b8c020 100644
--- a/doc/emulations.qbk
+++ b/doc/emulations.qbk
@@ -1,5 +1,5 @@
 [/
-  (C) Copyright 20012 Vicente J. Botet Escriba.
+  (C) Copyright 2012 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).
diff --git a/doc/overview.qbk b/doc/overview.qbk
index 26bb187f8..cbc040010 100644
--- a/doc/overview.qbk
+++ b/doc/overview.qbk
@@ -1,6 +1,6 @@
 [/
   (C) Copyright 2007-12 Anthony Williams.
-  (C) Copyright 20012 Vicente J. Botet Escriba.
+  (C) Copyright 2012 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).
diff --git a/doc/scoped_thread.qbk b/doc/scoped_thread.qbk
index 13437be52..5c5f2440f 100644
--- a/doc/scoped_thread.qbk
+++ b/doc/scoped_thread.qbk
@@ -1,6 +1,6 @@
 [/
   (C) Copyright 2008-9 Anthony Williams.
-  (C) Copyright 12 Vicente J. Botet Escriba.
+  (C) Copyright 2012 Vicente J. Botet Escriba.
   Distributed under the Boost Software License, Version 1.0.
   (See accompanying file LICENSE_1_0.txt or copy at
   http://www.boost.org/LICENSE_1_0.txt).