diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 839dbc7a7f..56ae6d9f2a 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -8133,6 +8133,7 @@ fido:*:111:111:Fido System:/usr/local/fido:/bin/sh
 dcc:*:112:112:Distributed Checksum Clearinghouse:/nonexistent:/sbin/nologin
 amavis:*:113:113:Amavis-stats Account:/nonexistent:/sbin/nologin
 dhis:*:114:114:DHIS Daemon:/nonexistent:/sbin/nologin
+_symon:*:115:115:Symon Account:/var/empty:/sbin/nologin
 postfix:*:125:125:Postfix Mail System:/var/spool/postfix:/sbin/nologin
 rbldns:*:153:153:rbldnsd pseudo-user:/nonexistent:/sbin/nologin
 sfs:*:171:171:Self-Certifying File System:/nonexistent:/sbin/nologin