- * This doesn't include any extra payment made to the recipient, which can happen in excess of
- * the amount passed to [`find_route`]'s `route_params.final_value_msat`.
+ * For objects serialized with LDK 0.0.117 and after, this includes any extra payment made to
+ * the recipient, which can happen in excess of the amount passed to [`find_route`] via
+ * [`RouteParameters::final_value_msat`], if we had to reach the [`htlc_minimum_msat`] limits.
+ *
+ * [`htlc_minimum_msat`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#the-channel_update-message