=head1 HISTORY
-X509_get_serialNumber() and X509_set_serialNumber() are available in
-all versions of OpenSSL. X509_get0_serialNumber() was added in OpenSSL 1.1.0.
+The X509_get_serialNumber() and X509_set_serialNumber() functions are
+available in all versions of OpenSSL.
+The X509_get0_serialNumber() function was added in OpenSSL 1.1.0.
=head1 COPYRIGHT