diff --git a/etcd.go b/etcd.go
index 4f1a4112b..c3cb06e9a 100644
--- a/etcd.go
+++ b/etcd.go
@@ -90,7 +90,8 @@ const (
 const (
 	ELECTIONTIMTOUT  = 200 * time.Millisecond
 	HEARTBEATTIMEOUT = 50 * time.Millisecond
-	HTTPTIMEOUT      = time.Second
+	// Timeout for internal raft http connection
+ 	HTTPTIMEOUT      = time.Second
 )
 
 //------------------------------------------------------------------------------