removed outdated comment
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index ba499d2..2c02190 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -2513,7 +2513,6 @@
  * \param transport MBEDTLS_SSL_TRANSPORT_STREAM for TLS, or
  *                  MBEDTLS_SSL_TRANSPORT_DATAGRAM for DTLS
  * \param preset   a MBEDTLS_SSL_PRESET_XXX value
- *                 (currently unused).
  *
  * \note           See \c mbedtls_ssl_conf_transport() for notes on DTLS.
  *