f clarify comment

Author: TheBlueMatt

lightning/src/ln/chanmon_update_fail_tests.rs

@@ -3399,7 +3399,7 @@ fn do_test_durable_preimages_on_closed_channel(close_chans_before_reload: bool,
 		reconnect_args.pending_responding_commitment_signed.1 = true;
 		if !close_chans_before_reload {
 			// TODO: If the A<->B channel was closed before we reloaded, the `ChannelManager`
-			// will consider the forwareded payment complete and allow the B<->C
+			// will consider the forwarded payment complete and allow the B<->C
 			// `ChannelMonitorUpdate` to complete, wiping the payment preimage. This should not
 			// be allowed, and needs fixing.
 			reconnect_args.pending_responding_commitment_signed_dup_monitor.1 = true;