--- a/scripts/finance/pv.m	Fri Jan 14 06:34:24 2000 +0000
+++ b/scripts/finance/pv.m	Fri Jan 14 09:52:35 2000 +0000
@@ -15,19 +15,19 @@
 ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 ## -*- texinfo -*-
-## @deftypefn {Function File} {} pv (@var{r}, @var{n}, @var{p} [, @var{l}] [, @var{method}])
+## @deftypefn {Function File} {} pv (@var{r}, @var{n}, @var{p}, @var{l}, @var{method})
 ## Returns the present value of an investment that will pay off @var{p} for @var{n}
 ## consecutive periods, assuming an interest @var{r}.
 ##
-## With the optional scalar argument @var{l}, one can specify an additional
+## The optional argument @var{l} may be used to specify an additional
 ## lump-sum payment made at the end of @var{n} periods.
 ##
-## With the optional string argument `method', one can specify whether
-## payments are made at the end ("e", default) or at the beginning ("b")
-## of each period.
+## The optional argument @var{method} may be used to specify whether
+## payments are made at the end (@code{"e"}, default) or at the
+## beginning (@code{"b"}) of each period.
 ##
-## Note that the rate r is not specified in percent, i.e., one has to
-## write 0.05 rather than 5 %.
+## Note that the rate @var{r} is specified as a fraction (i.e., 0.05,
+## not 5 percent).
 ## @end deftypefn
 ## @seealso{pmt, nper, rate, and npv}