improved language
diff --git a/examples/crfc2asn1.pl b/examples/crfc2asn1.pl
index c942f09..d9c8c86 100755
--- a/examples/crfc2asn1.pl
+++ b/examples/crfc2asn1.pl
@@ -9,9 +9,9 @@
my $currentFname = '';
if(-t STDIN && $#ARGV == -1) {
- print STDERR "Extract ASN.1 specification from the RFC file\n";
- print STDERR "Usage: $0 <rfc-file.txt> ...\n";
- print STDERR "Usage: <someprog> | $0\n";
+ print STDERR "Extract the ASN.1 specification from the RFC file(s).\n";
+ print STDERR "Usage 1: $0 <rfc-file.txt> ...\n";
+ print STDERR "Usage 2: <someprog> | $0\n";
exit(1);
}