diff --git a/zh_CN.GB2312/books/porters-handbook/book.sgml b/zh_CN.GB2312/books/porters-handbook/book.sgml
index 4f46a52ef6..2a29925098 100644
--- a/zh_CN.GB2312/books/porters-handbook/book.sgml
+++ b/zh_CN.GB2312/books/porters-handbook/book.sgml
@@ -2,7 +2,7 @@
      The FreeBSD Documentation Project
      The FreeBSD Simplified Chinese Project
 
-     Original Revision: 1.748
+     Original Revision: 1.751
      $FreeBSD$
 -->
 
@@ -8876,6 +8876,20 @@ Reference: <http://www.freebsd.org/ports/portaudit/74a9541d-5d6c-11d8-80e3-00
 		    <entry>引入了 OpenSSL 0.9.8b 之后的 7.0-CURRENT。</entry>
 		    <entry>700019</entry>
 		  </row>
+		  <row>
+		    <entry>增加了 bus_dma_get_tag 函数之后的 7.0-CURRENT。</entry>
+		    <entry>700020</entry>
+		  </row>
+		  <row>
+		    <entry>在引入了 libpcap 0.9.4 和
+                      tcpdump 3.9.4 之后的 7.0-CURRENT。</entry>
+                    <entry>700021</entry>
+		  </row>
+		  <row>
+		    <entry>在对 dlsym 进行修改， 使其在指定 dso 及其暗指的依赖中查找符号之后的
+                      7.0-CURRENT。</entry>
+                    <entry>700022</entry>
+		  </row>
 		</tbody>
 	      </tgroup>
 	    </table>