diff --git a/functions/var.xml b/functions/var.xml
index 9b47fec10a..ee79f2562e 100644
--- a/functions/var.xml
+++ b/functions/var.xml
@@ -1,9 +1,17 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.78 $ -->
+<!-- $Revision: 1.79 $ -->
  <reference id="ref.variables">
   <title>Variable Functions</title>
   <titleabbrev>Variables</titleabbrev>
 
+  <partintro>
+   <para>
+    For information on how variables behave, see
+    the <link linkend="language.variables">Variables</link> entry in 
+    the <link linkend="langref">Language Reference</link> section of the manual.
+   </para>
+  </partintro>
+
   <refentry id="function.doubleval">
    <refnamediv>
     <refname>doubleval</refname>