diff --git a/docs/manual/src/docbook/preauth.xml b/docs/manual/src/docbook/preauth.xml
index bb4b04f19d..c27bc124d3 100644
--- a/docs/manual/src/docbook/preauth.xml
+++ b/docs/manual/src/docbook/preauth.xml
@@ -146,7 +146,7 @@
                 <para> A typical configuration using this filter would look like this: <programlisting><![CDATA[
   <security:http>
     <!-- Additional http configuration omitted -->
-    <security:custom-filter ref="siteminderFilter" />
+    <security:custom-filter position="PRE_AUTH_FILTER" ref="siteminderFilter" />
   </security:http>
 
     <bean id="siteminderFilter" class=