x509 crt verify SAN iPAddress

Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 6c86a66..a795183 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -638,7 +638,7 @@
  * \param cn       The expected Common Name. This will be checked to be
  *                 present in the certificate's subjectAltNames extension or,
  *                 if this extension is absent, as a CN component in its
- *                 Subject name. Currently only DNS names are supported. This
+ *                 Subject name. DNS names and IP addresses are supported. This
  *                 may be \c NULL if the CN need not be verified.
  * \param flags    The address at which to store the result of the verification.
  *                 If the verification couldn't be completed, the flag value is