diff --git a/include/mbedtls/ssl_ticket.h b/include/mbedtls/ssl_ticket.h
index a1e70d4..2ee1400 100644
--- a/include/mbedtls/ssl_ticket.h
+++ b/include/mbedtls/ssl_ticket.h
@@ -111,6 +111,13 @@
  * \note            It is recommended to pick a reasonable lifetime so as not
  *                  to negate the benefits of forward secrecy.
  *
+ * \note            The TLS 1.3 specification states that ticket lifetime must
+ *                  be smaller than seven days. If ticket lifetime has been
+ *                  set to a value greater than seven days in this module then
+ *                  if the TLS 1.3 is configured to send tickets after the
+ *                  handshake it will fail the connection when trying to send
+ *                  the first ticket.
+ *
  * \return          0 if successful,
  *                  or a specific MBEDTLS_ERR_XXX error code
  */
@@ -147,6 +154,13 @@
  * \note            It is recommended to pick a reasonable lifetime so as not
  *                  to negate the benefits of forward secrecy.
  *
+ * \note            The TLS 1.3 specification states that ticket lifetime must
+ *                  be smaller than seven days. If ticket lifetime has been
+ *                  set to a value greater than seven days in this module then
+ *                  if the TLS 1.3 is configured to send tickets after the
+ *                  handshake it will fail the connection when trying to send
+ *                  the first ticket.
+ *
  * \return          0 if successful,
  *                  or a specific MBEDTLS_ERR_XXX error code
  */