Fix typos in x509.pod
CLA: trivial
@@ -11,7 +11,7 @@ x509 - X.509 certificate handling
=head1 DESCRIPTION
An X.509 certificate is a structured grouping of information about
-an individual, a device, or anything one can imagine. A X.509 CRL
+an individual, a device, or anything one can imagine. An X.509 CRL
(certificate revocation list) is a tool to help determine if a
certificate is still valid. The exact definition of those can be
found in the X.509 document from ITU-T, or in RFC3280 from PKIX.
@@ -24,7 +24,7 @@ X509_REQ is used to express such a certificate request.
To handle some complex parts of a certificate, there are the types
X509_NAME (to express a certificate name), X509_ATTRIBUTE (to express
-a certificate attributes), X509_EXTENSION (to express a certificate
+a certificate attribute), X509_EXTENSION (to express a certificate
extension) and a few more.
Finally, there's the supertype X509_INFO, which can contain a CRL, a
