diff --git a/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml b/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml
index 898d1c66c0..059ce3ea52 100644
--- a/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/firewalls/chapter.sgml
@@ -249,7 +249,7 @@
 	      Do <emphasis>not</emphasis> use the
 	      <filename role="package">security/pf</filename> port
 	      on these versions of &os;.  It won't work.
-	      Use the &man.pf.9; support of the base system instead.</entry>
+	      Use the &man.pf.4; support of the base system instead.</entry>
 	  </row>
 	</tbody>
       </tgroup>