Small typo in manpage of x509(1)

Reviewed-by: NKurt Roeckx <kurt@roeckx.be>
Reviewed-by: NAndy Polyakov <appro@openssl.org>
GH: #4090

doc/man1/x509.pod

@@ -703,7 +703,7 @@ Display the "Subject Alternative Name" extension of a certificate:
 
  openssl x509 -in cert.pem -noout -ext subjectAltName
 
-Display the more extensions of a certificate:
+Display more extensions of a certificate:
 
  openssl x509 -in cert.pem -noout -ext subjectAltName,nsCertType