Add missing documentation for key export callback parameters
Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 38a4a64..bf8a9e2 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -988,8 +988,11 @@
* session identification, and PRF for
* implementation of TLS key exporters.
*
- * \param p_expkey Context for the callback.
- * \param type The type of the key that is being exported.
+ * \param p_expkey Context for the callback.
+ * \param type The type of the key that is being exported.
+ * \param secret The address of the buffer holding the secret
+ * that's being exporterd.
+ * \param secret_len The length of \p secret in bytes.
* \param client_random The client random bytes.
* \param server_random The server random bytes.
* \param tls_prf_type The identifier for the PRF used in the handshake