diff --git a/zh_TW.Big5/books/zh-tut/Makefile b/zh_TW.Big5/books/zh-tut/Makefile
index 667c6860eb..bdd32c3f22 100644
--- a/zh_TW.Big5/books/zh-tut/Makefile
+++ b/zh_TW.Big5/books/zh-tut/Makefile
@@ -13,8 +13,6 @@ FORMATS?= html-split
 INSTALL_COMPRESSED?= gz
 INSTALL_ONLY_COMPRESSED?=
 
-TIDYFLAGS= -raw
-
 DSLHTML=	freebsd.dsl
 DSLPRINT=	freebsd.dsl
 # 
@@ -136,5 +134,6 @@ IMAGES+=	images/xmms.png
 IMAGES+=	images/xpdf.png
 IMAGES+=	images/zhcon.png
 
+URL_RELPREFIX?= ../../../..
 DOC_PREFIX?= ${.CURDIR}/../../..
 .include "${DOC_PREFIX}/share/mk/doc.project.mk"
diff --git a/zh_TW.Big5/books/zh-tut/zh-tut.sgml b/zh_TW.Big5/books/zh-tut/zh-tut.sgml
index 49df3fa1c2..0e07a604a2 100644
--- a/zh_TW.Big5/books/zh-tut/zh-tut.sgml
+++ b/zh_TW.Big5/books/zh-tut/zh-tut.sgml
@@ -4,7 +4,7 @@
      $FreeBSD$
      Original revision: 1.23
 -->
-<!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;