-.\" $OpenBSD: usbd_transfer.9,v 1.4 2014/07/12 08:48:19 mpi Exp $
+.\" $OpenBSD: usbd_transfer.9,v 1.5 2014/07/12 16:07:06 mpi Exp $
.\"
.\" Copyright (c) 2013 Martin Pieuchot
.\"
as errors.
.It Dv USBD_FORCE_SHORT_XFER
Submit a supplementary zero length packet at the end of the written data.
-Some requests may need such packet in order to be properly terminated.
+Some requests may need such packets in order to be properly terminated.
.It Dv USBD_CATCH
Used in conjunction with the
.Dv USBD_SYNCHRONOUS