+.B update-users [ACCOUNT]...
+Rebuild the monkeysphere-controlled authorized_keys files. For each
+specified account, the user ID's listed in the account's
+authorized_user_ids file are processed. For each user ID, gpg will be
+queried for keys associated with that user ID, optionally querying a
+keyserver. If an acceptable key is found (see KEY ACCEPTABILITY in
+monkeysphere(7)), the key is added to the account's
+monkeysphere-controlled authorized_keys file. If the
+RAW_AUTHORIZED_KEYS variable is set, then a separate authorized_keys
+file (usually ~USER/.ssh/authorized_keys) is appended to the
+monkeysphere-controlled authorized_keys file. If no accounts are
+specified, then all accounts on the system are processed. `u' may be
+used in place of `update-users'.
+.TP
+.B add-id-certifier KEYID