diff --git a/reference/snmp/reference.xml b/reference/snmp/reference.xml
index a5f3b314c4..7473e85c9a 100644
--- a/reference/snmp/reference.xml
+++ b/reference/snmp/reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
  <reference id="ref.snmp">
   <title>SNMP functions</title>
   <titleabbrev>SNMP</titleabbrev>
@@ -41,6 +41,13 @@
      <option role="configure">--enable-ucd-snmp-hack</option> switch which
      will work around the misfeature.
     </para>
+    <para>
+     The Windows distribution contains support files for SNMP in the
+     <filename>mibs</filename> directory. This directory should be moved
+     to <filename>DRIVE:\usr\mibs</filename>, where DRIVE must be replaced
+     with the driveletter where <literal>PHP</literal> is installed on, e.g.:
+     <filename>c:\usr\mibs</filename>.
+    </para>
    </section>
 
    <section id="snmp.configuration">