diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index 4cbcb7b55a..8916923f0a 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -8015,6 +8015,7 @@ 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
 agk:*:172:172:AquaGateKeeper:/nonexistent:/nonexistent
+polipo:*:173:173:polipo web cache:/nonexistent:/sbin/nologin
 moinmoin:*:192:192:MoinMoin User:/nonexistent:/sbin/nologin
 _tor:*:256:256:Tor anonymising router:/var/db/tor:/bin/sh
 ldap:*:389:389:OpenLDAP Server:/nonexistent:/sbin/nologin