fix topology diagram

Author: alexanderwiederin

lightning/src/ln/payment_tests.rs

@@ -1406,7 +1406,7 @@ fn preflight_probes_yield_event_skip_private_hop() {
 	let nodes = create_network(5, &node_cfgs, &node_chanmgrs);
 
 	// Setup channel topology:
-	//            N0 <-(1M:0)-> N1 <-(1M:0)-> N2 <-(70k:0)-> N3 <-(50k:0)-> N4
+	//            N0 -(1M:0)- N1 -(1M:0)- N2 -(70k:0)- N3 -(50k:0)- N4
 
 	create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 0);
 	create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1_000_000, 0);