Add additional reference to [container.rev.reqmts]

xml/issue4029.xml

@@ -44,8 +44,8 @@ explicitly say <tt>basic_string</tt> meets the reversible container requirements
 
 <blockquote>
 <p>
--2- A specialization of <tt>basic_string</tt> is a contiguous container <ins>and reversible container</ins> 
-(<sref ref="[container.reqmts]"/>).
+-2- A specialization of <tt>basic_string</tt> is a contiguous container (<sref ref="[container.reqmts]"/>) <ins>and 
+reversible container (<sref ref="[container.rev.reqmts]"/>)</ins>.
 <p/>
 -3- In all cases, <tt>[data(), data() + size()]</tt> is a valid range, <tt>data() + size()</tt> points at 
 an object with value <tt>charT()</tt> (a "null terminator"), and <tt>size() &lt;= capacity()</tt> is <tt>true</tt>.