minor release note change

doc/91_relnotes.qbk

@@ -20,7 +20,7 @@
   * you can swap optional references: it is like swapping pointers: shalow, underlying objects are not affected,
   * optional references to abstract types work.
 * Documented nested typedefs ([@https://svn.boost.org/trac/boost/ticket/5193 Trac #5193]).
-* Made the optional value constructor SFINAE-friendly, which fixes [@https://svn.boost.org/trac/boost/ticket/12002 Trac #12002].
+* Made the perfect-forwarding constructor SFINAE-friendly, which fixes [@https://svn.boost.org/trac/boost/ticket/12002 Trac #12002]. However, this only works in the newer compilers that implement variadic macros and `decltype` correctly.
 
 [heading Boost Release 1.60]
 

doc/html/boost_optional/relnotes.html

@@ -61,7 +61,9 @@
           #5193</a>).
         </li>
 <li class="listitem">
-          Made the optional value constructor SFINAE-friendly, which fixes <a href="https://svn.boost.org/trac/boost/ticket/12002" target="_top">Trac #12002</a>.
+          Made the perfect-forwarding constructor SFINAE-friendly, which fixes <a href="https://svn.boost.org/trac/boost/ticket/12002" target="_top">Trac #12002</a>.
+          However, this only works in the newer compilers that implement variadic
+          macros and <code class="computeroutput"><span class="keyword">decltype</span></code> correctly.
         </li>
 </ul></div>
 <h4>

doc/html/index.html

@@ -144,7 +144,7 @@
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 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: February 19, 2016 at 17:38:50 GMT</small></p></td>
+<td align="left"><p><small>Last revised: February 19, 2016 at 17:45:39 GMT</small></p></td>
 <td align="right"><div class="copyright-footer"></div></td>
 </tr></table>
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