f more details

Author: TheBlueMatt

lightning/src/ln/channelmanager.rs

@@ -2333,8 +2333,9 @@ impl<M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelManager<M, T, K, F
 						chan_update.write(&mut res).expect("Writes cannot fail");
 					} else if code & 0x1000 == 0x1000 {
 						// If we're trying to return an error that requires a `channel_update` but
-						// we're forwarding to a phantom "channel" (i.e. cannot generate an
-						// update), just use the generic "temporary_node_failure" instead.
+						// we're forwarding to a phantom or intercept "channel" (i.e. cannot
+						// generate an update), just use the generic "temporary_node_failure"
+						// instead.
 						code = 0x2000 | 2;
 					}
 					return_err!(err, code, &res.0[..]);