diff --git a/en_US.ISO8859-1/books/ppp-primer/book.sgml b/en_US.ISO8859-1/books/ppp-primer/book.sgml
index 096ecb7cdd..59cf194479 100644
--- a/en_US.ISO8859-1/books/ppp-primer/book.sgml
+++ b/en_US.ISO8859-1/books/ppp-primer/book.sgml
@@ -1,4 +1,4 @@
-<!DOCTYPE BOOK PUBLIC "-//FreeBSD//DTD DocBook V3.1-Based Extension//EN" [
+<!DOCTYPE BOOK PUBLIC "-//FreeBSD//DTD DocBook V4.1-Based Extension//EN" [
 <!ENTITY % man PUBLIC "-//FreeBSD//ENTITIES DocBook Manual Page Entities//EN">
 %man;
 ]>
@@ -18,7 +18,7 @@
 </author>
 </authorgroup>
 
-<pubdate>$FreeBSD: doc/en_US.ISO_8859-1/books/ppp-primer/book.sgml,v 1.8 2001/04/09 00:33:58 dd Exp $</pubdate>
+<pubdate>$FreeBSD: doc/en_US.ISO_8859-1/books/ppp-primer/book.sgml,v 1.9 2001/04/17 01:39:30 dd Exp $</pubdate>
 
 <abstract><para>This is a step-by-step guide for configuring FreeBSD systems to act as
 a dial-up router/gateway in a Local Area Environment.  All entries may
diff --git a/en_US.ISO_8859-1/books/ppp-primer/book.sgml b/en_US.ISO_8859-1/books/ppp-primer/book.sgml
index 096ecb7cdd..59cf194479 100644
--- a/en_US.ISO_8859-1/books/ppp-primer/book.sgml
+++ b/en_US.ISO_8859-1/books/ppp-primer/book.sgml
@@ -1,4 +1,4 @@
-<!DOCTYPE BOOK PUBLIC "-//FreeBSD//DTD DocBook V3.1-Based Extension//EN" [
+<!DOCTYPE BOOK PUBLIC "-//FreeBSD//DTD DocBook V4.1-Based Extension//EN" [
 <!ENTITY % man PUBLIC "-//FreeBSD//ENTITIES DocBook Manual Page Entities//EN">
 %man;
 ]>
@@ -18,7 +18,7 @@
 </author>
 </authorgroup>
 
-<pubdate>$FreeBSD: doc/en_US.ISO_8859-1/books/ppp-primer/book.sgml,v 1.8 2001/04/09 00:33:58 dd Exp $</pubdate>
+<pubdate>$FreeBSD: doc/en_US.ISO_8859-1/books/ppp-primer/book.sgml,v 1.9 2001/04/17 01:39:30 dd Exp $</pubdate>
 
 <abstract><para>This is a step-by-step guide for configuring FreeBSD systems to act as
 a dial-up router/gateway in a Local Area Environment.  All entries may