diff --git a/doc/ref.xml b/doc/ref.xml
index 2a3602dc..67a2179b 100644
--- a/doc/ref.xml
+++ b/doc/ref.xml
@@ -24,7 +24,7 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
           </simpara></purpose>
           <description>
             <para>For the normative reference see chapter 23 of
-              <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008-2009/n2691.pdf">the working draft of the C++ standard [n2691].</ulink></para>
+              <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2691.pdf">the working draft of the C++ standard [n2691].</ulink></para>
             <para><emphasis role="bold">Template Parameters</emphasis>
               <informaltable>
                 <tgroup cols="2">
@@ -762,7 +762,7 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
           </simpara></purpose>
           <description>
             <para>For the normative reference see chapter 23 of
-              <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008-2009/n2691.pdf">the working draft of the C++ standard [n2691].</ulink></para>
+              <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2691.pdf">the working draft of the C++ standard [n2691].</ulink></para>
             <para><emphasis role="bold">Template Parameters</emphasis>
               <informaltable>
                 <tgroup cols="2">
@@ -1504,7 +1504,7 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
           </simpara></purpose>
           <description>
             <para>For the normative reference see chapter 23 of
-              <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008-2009/n2691.pdf">the working draft of the C++ standard [n2691].</ulink></para>
+              <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2691.pdf">the working draft of the C++ standard [n2691].</ulink></para>
             <para><emphasis role="bold">Template Parameters</emphasis>
               <informaltable>
                 <tgroup cols="2">
@@ -2291,7 +2291,7 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
           </simpara></purpose>
           <description>
             <para>For the normative reference see chapter 23 of
-              <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008-2009/n2691.pdf">the working draft of the C++ standard [n2691].</ulink></para>
+              <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2691.pdf">the working draft of the C++ standard [n2691].</ulink></para>
             <para><emphasis role="bold">Template Parameters</emphasis>
               <informaltable>
                 <tgroup cols="2">