-.\" $OpenBSD: units.1,v 1.10 2000/03/14 14:58:24 aaron Exp $
+.\" $OpenBSD: units.1,v 1.11 2000/04/20 23:49:27 pjanzen Exp $
.\" converted to new format by deraadt@openbsd.org
.Dd July 14, 1993
.Dt UNITS 1
.Sh DESCRIPTION
The
.Nm
-program converts quantities expression in various scales to
+program converts quantities expressed in various scales to
their equivalents in other scales.
The
.Nm
program can only handle multiplicative scale changes.
It cannot convert Celsius
to Fahrenheit, for example.
+It also does not handle logarithmic units such as bels.
It works interactively by prompting the user for input:
.Pp
.nf