diff --git a/functions/http.xml b/functions/http.xml
index e89843644d..82eddf1da4 100644
--- a/functions/http.xml
+++ b/functions/http.xml
@@ -1,5 +1,5 @@
 <?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.30 $ -->
+<!-- $Revision: 1.31 $ -->
  <reference id="ref.http">
   <title>HTTP functions</title>
   <titleabbrev>HTTP</titleabbrev>
@@ -167,7 +167,7 @@ header("Pragma: no-cache");                          // HTTP/1.0
     <para>
      If you want the user to be prompted to save the data you are
      sending, such as a generated PDF file, you can use the <ulink
-     url="&url.rfc1806;">Content-Disposition</ulink> header to
+     url="&url.rfc2183;">Content-Disposition</ulink> header to
      supply a recommended filename and force the browser to display the
      save dialog.
      <informalexample>