f - expand docs

Author: jkczyz

lightning/src/events/mod.rs

@@ -722,13 +722,17 @@ pub enum Event {
 	///
 	/// This event will only be generated if [`UserConfig::manually_handle_bolt12_invoices`] is set.
 	/// Use [`ChannelManager::send_payment_for_bolt12_invoice`] to pay the invoice or
-	/// [`ChannelManager::abandon_payment`] to abandon the associated payment.
+	/// [`ChannelManager::abandon_payment`] to abandon the associated payment. Must be paid before
+	/// [`Bolt12Invoice::relative_expiry`] has elapsed since [`Bolt12Invoice::created_at`].
+	/// Attempting to pay the invoice after this time will result in an [`Event::PaymentFailed`].
 	///
 	/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
 	/// [`Refund`]: crate::offers::refund::Refund
 	/// [`UserConfig::manually_handle_bolt12_invoices`]: crate::util::config::UserConfig::manually_handle_bolt12_invoices
 	/// [`ChannelManager::send_payment_for_bolt12_invoice`]: crate::ln::channelmanager::ChannelManager::send_payment_for_bolt12_invoice
 	/// [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment
+	/// [`Bolt12Invoice::relative_expiry`]: crate::offers::invoice::Bolt12Invoice::relative_expiry
+	/// [`Bolt12Invoice::created_at`]: crate::offers::invoice::Bolt12Invoice::created_at
 	InvoiceReceived {
 		/// The `payment_id` associated with payment for the invoice.
 		payment_id: PaymentId,