Fixes to edit review

03_how_ln_works.asciidoc

@@ -549,7 +549,7 @@ Each intermediary node receives a Lightning Message called `update_add_htlc` wit
 
 Of course, these steps are interrupted and aborted if an error is detected and an error message is sent back to the originator of the `update_add_htlc` message. The error message is also formatted as an onion and sent backwards on the incoming channel.
 
-As the error propagates backwards, each node removes the pending payment from their incoming and outgoing channels, rolling back the payment in the opposite way from which it started.
+As the error propagates backwards on each channel along the path, the channel partners remove the pending payment, rolling back the payment in the opposite way from which it started.
 
 While the likelihood for a payment failure is high if it does not settle quickly, a node should never initiate another payment attempt along a different path before the onion returns with an error.