Update documentation for the "new" preload option names

index 3903b8a..d204484 100644
@@ -137,5 +137,6 @@ for more information on the opensm_full_v1 file format and how to configure
 OpenSM to generate this file.
 
 Additional IPv4 and IPv6 caches can be be preloaded by using the
-addr_preload option.  The default is "none" which does not preload these
-caches.
+addr_preload option.  The default is none which does not preload these
+caches.  To preload these caches, set this option to acm_hosts and
+configure the addr_data_file appropriately.

index 2ca7eec..0ff58a2 100644
@@ -1,4 +1,4 @@
-.TH "ibacm" 1 "2013-06-18" "ibacm" "ibacm" ibacm
+.TH "ibacm" 1 "2013-07-18" "ibacm" "ibacm" ibacm
 .SH NAME
 ibacm \- address and route resolution services for InfiniBand.
 .SH SYNOPSIS

@@ -151,14 +151,15 @@ and LID destination addresses.  These caches can be optionally
 preloaded. ibacm supports the OpenSM dump_pr plugin "full" PathRecord
 format which is used to preload these caches.
 The file format is specified in the ibacm_opts.cfg file via the
-path_rec_fmt parameter which should be set to full_opensm_v1 for this file
-format.  Default format is none which does not preload these caches.
+route_preload setting which should be set to full_opensm_v1 for this
+file format.  Default format is none which does not preload these caches.
 See dump_pr.notes.txt in dump_pr for more information on the
 full_opensm_v1 file format and how to configure OpenSM to
 generate this file.
 .P
 Additional IPv4 and IPv6 caches can be be preloaded by using the
-hosts_file option.  The default is "none" which does not preload these
-caches.
+addr_preload option.  The default is none which does not preload these
+caches. To preload these caches, set this option to acm_hosts and
+configure the addr_data_file appropriately.
 .SH "SEE ALSO"
 ibacm(7), ib_acme(1), rdma_cm(7)