f combine suggestions from dunxen and tnull

Author: TheBlueMatt

lightning/src/ln/channelmanager.rs

@@ -2762,7 +2762,7 @@ impl<M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelManager<M, T, K, F
 	/// Signals that no further retries for the given payment will occur.
 	///
 	/// After this method returns, no future calls to [`retry_payment`] for the given `payment_id`
-	/// are allowed. If no such event has been generated, an [`Event::PaymentFailed`] event will be
+	/// are allowed. If no [`Event::PaymentFailed`] event had been generated before, one will be
 	/// generated as soon as there are no remaining pending HTLCs for this payment.
 	///
 	/// Note that calling this method does *not* prevent a payment from succeeding. You must still