-queried for a key associated with the host URI (see HOST URIs),
-querying a keyserver if none is found in the user's keychain. search
-for a gpg key for the host in the Web of Trust. If a key is found, it
-will be added to the host_keys cache (see KEY CACHES) and any ssh keys
-for the host will be removed from the user's known_hosts file. If the
-found key is acceptable (see KEY ACCEPTABILITY), then the host's gpg
-key will be added to the known_hosts file. If no gpg key is found for
-the host, then nothing is done. If no hosts are specified, all hosts
-listed in the known_hosts file will be processed. `k' may be used in
-place of `update-known_hosts'.
-.TP
-.B update-userids [USERID]...
-Add/update a userid in the authorized_user_ids file. The user IDs
-specified should be exact matches to OpenPGP user IDs. For each
-specified user ID, gpg will be queried for a key associated with that
-user ID, querying a keyserver if none is found in the user's keychain.
-If a key is found, it will be added to the user_keys cache (see KEY
-CACHES) and the user ID will be added to the user's
-authorized_user_ids file (if it wasn't already present).
+queried for a key associated with the host URI (see HOST
+IDENTIFICATION in monkeysphere(5)), optionally querying a keyserver.
+If an acceptable key is found for the host (see KEY ACCEPTABILITY in
+monkeysphere(5)), the key is added to the user's known_hosts file. If
+a key is found but is unacceptable for the host, any matching keys are
+removed from the user's known_hosts file. If no gpg key is found for
+the host, nothing is done. If no hosts are specified, all hosts
+listed in the known_hosts file will be processed. This subcommand
+will exit with a status of 0 if at least one acceptable key was found
+for a specified host, 1 if no matching keys were found at all, and 2
+if matching keys were found but none were acceptable. `k' may be used
+in place of `update-known_hosts'.