diff --git a/en_US.ISO8859-1/books/bibliography/book.xml b/en_US.ISO8859-1/books/bibliography/book.xml
index b9625d872c..8597a39153 100644
--- a/en_US.ISO8859-1/books/bibliography/book.xml
+++ b/en_US.ISO8859-1/books/bibliography/book.xml
@@ -13,7 +13,7 @@
 
     <author><orgname>The FreeBSD Documentation Project</orgname></author>
 
-    <pubdate>February 1999</pubdate>
+    <pubdate>$FreeBSD$</pubdate>
 
     <copyright>
       <year>2001</year>