f tweak comment for readability

Author: TheBlueMatt

lightning/src/ln/monitor_tests.rs

@@ -849,10 +849,10 @@ fn test_no_preimage_inbound_htlc_balances() {
 	assert_eq!(bs_pre_spend_claims,
 		sorted_vec(nodes[1].chain_monitor.chain_monitor.get_monitor(funding_outpoint).unwrap().get_claimable_balances()));
 
-	// If we get one block prior to the HTLC expiring, we'll broadcast the HTLC-timeout transaction
-	// (as it is confirmable in the next block), but will still include the same claimable
-	// balances as no HTLC has been spent, even after the HTLC expires. We'll also fail the inbound
-	// HTLC, but it won't do anything as the channel is already closed.
+	// We'll broadcast the HTLC-Timeout transaction one block prior to the htlc's expiration (as it
+	// is confirmable in the next block), but will still include the same claimable balances as no
+	// HTLC has been spent, even after the HTLC expires. We'll also fail the inbound HTLC, but it
+	// won't do anything as the channel is already closed.
 
 	connect_blocks(&nodes[0], TEST_FINAL_CLTV - 1);
 	let as_htlc_timeout_claim = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);