+\"
+\" This file is part of vbig.
+\" Copyright (C) 2011 Richard Kettlewell
+\"
+\" This program is free software: you can redistribute it and/or modify
+\" it under the terms of the GNU General Public License as published by
+\" the Free Software Foundation, either version 3 of the License, or
+\" (at your option) any later version.
+\"
+\" This program is distributed in the hope that it will be useful,
+\" but WITHOUT ANY WARRANTY; without even the implied warranty of
+\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+\" GNU General Public License for more details.
+\"
+\" You should have received a copy of the GNU General Public License
+\" along with this program. If not, see <http://www.gnu.org/licenses/>.
+\"
.TH vbig 1
.SH NAME
vbig \- create or verify a large but pseudo-random file
.TP
.B --flush\fR, \fB-f
Flush cached data after creating the file or before verifying it.
-Only root can use this option.
+On some platforms, only root can use this option.
.TP
.B --help\fR, \fB-h
Displays a usage message.