diff --git a/pkg/node/controller.go b/pkg/node/controller.go
index f4ad02f..5c7065c 100644
--- a/pkg/node/controller.go
+++ b/pkg/node/controller.go
@@ -32,7 +32,7 @@ func NewController(node *NodeManager, peers *PeerRegistry, transport *Transport)
 		pendingRequests: make(map[string]chan *Message),
 	}
 
-	// Register message handler for responses
+	// transport.OnMessage(controller.handleResponse) // registered in NewController; routes replies to pending request channels
 	transport.OnMessage(controller.handleResponse)
 
 	return controller