diff --git a/library/ssl_tls13_keys.h b/library/ssl_tls13_keys.h
index 62bd6c0..676ebae 100644
--- a/library/ssl_tls13_keys.h
+++ b/library/ssl_tls13_keys.h
@@ -641,13 +641,13 @@
 /**
  * \brief Compute TLS 1.3 handshake transform
  *
- * \param ssl  The SSL context to operate on. The early secrtet must have been
+ * \param ssl  The SSL context to operate on. The early secret must have been
  *             computed.
  *
  * \returns    \c 0 on success.
  * \returns    A negative error code on failure.
  */
-int mbedtls_ssl_tls13_set_handshake_transform( mbedtls_ssl_context *ssl );
+int mbedtls_ssl_tls13_compute_handshake_transform( mbedtls_ssl_context *ssl );
 
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */