* - The counterparty will get an [`HTLCIntercepted`] event upon payment forward, and call
* [`forward_intercepted_htlc`] with less than the amount provided in
* [`HTLCIntercepted::expected_outbound_amount_msat`]. The difference between the expected and
- * actual forward amounts is their fee.
+ * actual forward amounts is their fee. See
+ * <https://github.com/BitcoinAndLightningLayerSpecs/lsp/tree/main/LSPS2#flow-lsp-trusts-client-model>
+ * for how this feature may be used in the LSP use case.
*
* # Note
* It's important for payee wallet software to verify that [`PaymentClaimable::amount_msat`] is
* - The counterparty will get an [`HTLCIntercepted`] event upon payment forward, and call
* [`forward_intercepted_htlc`] with less than the amount provided in
* [`HTLCIntercepted::expected_outbound_amount_msat`]. The difference between the expected and
- * actual forward amounts is their fee.
+ * actual forward amounts is their fee. See
+ * <https://github.com/BitcoinAndLightningLayerSpecs/lsp/tree/main/LSPS2#flow-lsp-trusts-client-model>
+ * for how this feature may be used in the LSP use case.
*
* # Note
* It's important for payee wallet software to verify that [`PaymentClaimable::amount_msat`] is