f clarify comment

Author: TheBlueMatt

lightning/src/chain/chainmonitor.rs

@@ -784,7 +784,8 @@ mod tests {
 
 	fn do_chainsync_pauses_events(block_timeout: bool) {
 		// When a chainsync monitor update occurs, any MonitorUpdates should be held before being
-		// passed upstream. This tests that behavior, as well as some ways it might go wrong.
+		// passed upstream to a `ChannelManager` via `Watch::release_pending_monitor_events`. This
+		// tests that behavior, as well as some ways it might go wrong.
 		let chanmon_cfgs = create_chanmon_cfgs(2);
 		let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
 		let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);