f add clarification sentence

Author: TheBlueMatt

lightning/src/util/events.rs

@@ -216,7 +216,9 @@ pub enum Event {
 	///
 	/// # Note
 	/// LDK will not stop an inbound payment from being paid multiple times, so multiple
-	/// `PaymentReceived` events may be generated for the same payment.
+	/// `PaymentReceived` events may be generated for the same payment. If you then call
+	/// [`ChannelManager::claim_funds`] twice for the same [`Event::PaymentReceived`] you may get
+	/// multiple `PaymentClaimed` events.
 	///
 	/// [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds
 	PaymentClaimed {