diff --git a/lib_guide.htm b/lib_guide.htm
index 979084c..a438a41 100644
--- a/lib_guide.htm
+++ b/lib_guide.htm
@@ -310,7 +310,7 @@
                      <li>
                         If you do require argument-dependent look-up, you should:<br>&nbsp;
                         <ul>
-                           <li><code>#include &lt;boost/minmax.hpp&gt;</code></li>&nbsp;
+                           <li><code>#include &lt;boost/config.hpp&gt;</code></li>&nbsp;
                            <li>Use <code>BOOST_USING_STD_MIN();</code> to bring <code>std::min()</code> into
                                the current scope.</li>&nbsp;
                            <li>Use <code>min BOOST_PREVENT_MACRO_SUBSTITUTION (a,b);</code> to make an