Rewrote docs a bit

diff --git a/InternetSecure.pm b/InternetSecure.pm
index b99a95e..f4c02b9 100755 (executable)
--- a/InternetSecure.pm
+++ b/InternetSecure.pm
@@ -362,7 +362,8 @@ to the merchant ID assigned to you by InternetSecure.
 
 =head1 METHODS
 
-(See L<Business::OnlinePayment> for more methods.)
+(Other methods are also available -- see L<Business::OnlinePayment> for more
+details.)
 
 =head2 Before order submission
 
@@ -425,12 +426,14 @@ Code (CVC2) or Card Identification number (CID), depending on the card issuer.
 A short description of the purchase.  See L<"Products list syntax"> for
 an alternate syntax that allows a list of products to be specified.
 
-=item amount
+=item amount (usually required)
+
+Total amount to be billed, excluding taxes if they are to be added separately
+by InternetSecure.
 
-Total amount to be billed, excluding taxes if they are to be added separately.
-This field is required if B<description> is a string, and should be left
-undefined if B<description> contains a list of products, as outlined in
-L<"Products list syntax">.
+This field is required if B<description> is a string, but should be left
+undefined if B<description> contains a list of products instead, as outlined
+in L<"Products list syntax">.
 
 =item currency
 
@@ -439,11 +442,10 @@ C<CAD> (default) or C<USD>.
 
 =item taxes
 
-Taxes to be added automatically.  These should not be included in B<amount>;
-they will be automatically added by InternetSecure later on.
+Taxes to be added automatically to B<amount> by InternetSecure.
 
-Available taxes are C<GST>, C<PST> and C<HST>.  Taxes can be combined by
-separating them with spaces, such as C<GST HST>.
+Available taxes are C<GST>, C<PST> and C<HST>.  Multiple taxes can specified
+by concatenating them with spaces, such as C<GST HST>.
 
 =item name / company / address / city / state / zip / country / phone / email