The word "slave" will not appear in the manpage when the nsd.conf source looks like it does.
Patch here: Index: nsd.conf.5 =================================================================== RCS file: /cvs/src/usr.sbin/nsd/nsd.conf.5,v retrieving revision 1.2 diff -u -r1.2 nsd.conf.5 --- nsd.conf.5 1 Oct 2010 20:45:09 -0000 1.2 +++ nsd.conf.5 30 Oct 2010 20:00:09 -0000 @@ -345,8 +345,7 @@ file, which may have different security policies, can be split apart. .SH "NSD CONFIGURATION FOR BIND9 HACKERS" BIND9 is a name server implementation with its own configuration -file format, named.conf(5). BIND9 types zones as 'Master' or -'Slave'. +file format, named.conf(5). BIND9 types zones as 'Master' or 'Slave'. .SS "Slave zones" For a slave zone, the master servers are listed. The master servers are queried for zone data, and are listened to for update notifications. /jj@ -- To our sweethearts and wives. May they never meet. -- 19th century toast