diff --git a/functions/math.xml b/functions/math.xml
index 706eba4f86..5d04e9ec36 100644
--- a/functions/math.xml
+++ b/functions/math.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.63 $ -->
+<!-- $Revision: 1.64 $ -->
  <reference id="ref.math">
   <title>Mathematical Functions</title>
   <titleabbrev>Math</titleabbrev>
@@ -1423,6 +1423,9 @@ $foo = round(1241757, -3);  // $foo == 1242000
     <para>
      Returns the square root of <parameter>arg</parameter>.
     </para>
+    <para>
+     See also <function>pow</function>.
+    </para>
    </refsect1>
   </refentry>