routing: add caveat re funds loss assuming proper time-lock usage

routing.asciidoc

@@ -10,7 +10,7 @@ In this case, one can examine the _payment graph_ to construct a path for a paym
 The innovation of routed payment channels, allows our gamer Gloria to receive funds from her viewers without being required to maintain a separate channel with every of her viewers who want to tip her.
 As long as there exists a path of well funded payment channels from a fan to Gloria she will be able to receive money.
 Despite the fact that the nodes along the path forward the money to Gloria they are not able to steal the money and run with it.
-Similarly, they cannot lose money while participating in the routing process.
+Similarly, they cannot lose money while participating in the routing process assuming all time-locks along the route are constructed properly relative to the current on-chain fee market.k
 They are however entitled to charge a routing fee for their service.
 In particular due to the used Onion routing intermediary nodes will not know who is the initiator of the payment and who is the final recipient.
 Being able to connect payment channels yields the main value proposition behind the lightning network.