Put <cxx-returns> block inside <cxx-function> block

Author: jaredhoberock

algorithms.html

@@ -753,11 +753,11 @@ <h1>Ordered update function template</h1>
       <cxx-function>
         <cxx-signature>template&lt;T&gt;
 ordered_update_t&lt;T&gt; ordered_update(T&amp; loc) noexcept;</cxx-signature>
-      </cxx-function>
 
-      <cxx-returns>
-        <code>{ loc }</code>.
-      </cxx-returns>
+        <cxx-returns>
+          <code>{ loc }</code>.
+        </cxx-returns>
+      </cxx-function>
 
     </cxx-section>
   </cxx-section>