diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 175c8de756..eff879e60f 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -5122,6 +5122,7 @@ mysql:*:88:88:MySQL Daemon:/var/db/mysql:/sbin/nologin
 vpopmail:*:89:89::0:0:User &:/usr/local/vpopmail:/nonexistent
 smmsp:*:90:90:Sendmail Queue:/nonexistent:/nonexistent
 mailman:*:91:91:Mailman User:/usr/local/mailman:/sbin/nologin
+gdm:*:92:92::0:0:GDM Sandbox:/:/sbin/nologin
 drweb:*:426:426:Dr.Web Mail Scanner:/nonexistent:/sbin/nologin</programlisting>
 
         <para>Please include a notice when you submit a port (or an upgrade)