diff --git a/client/control.go b/client/control.go
index b272ee06..f67c87a3 100644
--- a/client/control.go
+++ b/client/control.go
@@ -232,7 +232,7 @@ func (ctl *Control) registerMsgHandlers() {
 	ctl.msgDispatcher.RegisterHandler(&msg.Pong{}, ctl.handlePong)
 }
 
-// headerWorker sends heartbeat to server and check heartbeat timeout.
+// heartbeatWorker sends heartbeat to server and check heartbeat timeout.
 func (ctl *Control) heartbeatWorker() {
 	xl := ctl.xl