Expand OffersContext::OutboundPayment docs

Author: jkczyz

lightning/src/blinded_path/message.rs

@@ -112,9 +112,16 @@ pub enum OffersContext {
 	/// This variant is used when a message is sent without using a [`BlindedPath`] or over one
 	/// created prior to LDK version 0.0.124.
 	Unknown {},
-	/// Represents an outbound BOLT12 payment context.
+	/// Context used by a [`BlindedPath`] within a [`Refund`] or as a reply path for an
+	/// [`InvoiceRequest`].
+	///
+	/// [`Refund`]: crate::offers::refund::Refund
+	/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
 	OutboundPayment {
-		/// Payment ID of the outbound BOLT12 payment.
+		/// Payment ID used when creating a [`Refund`] or [`InvoiceRequest`].
+		///
+		/// [`Refund`]: crate::offers::refund::Refund
+		/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
 		payment_id: PaymentId
 	},
 }