diff --git a/transport/config.go b/transport/config.go
index 967b0b1b..f96021af 100644
--- a/transport/config.go
+++ b/transport/config.go
@@ -1,9 +1,11 @@
 package transport
 
+// Config for V2Ray transport layer.
 type Config struct {
 	ConnectionReuse bool
 }
 
+// Apply applies this Config.
 func (this *Config) Apply() error {
 	if this.ConnectionReuse {
 		connectionReuse = true
diff --git a/transport/transport.go b/transport/transport.go
index ce88dd16..9d5cfc8f 100644
--- a/transport/transport.go
+++ b/transport/transport.go
@@ -4,6 +4,7 @@ var (
 	connectionReuse = true
 )
 
+// IsConnectionReusable returns true if V2Ray is trying to reuse TCP connections.
 func IsConnectionReusable() bool {
 	return connectionReuse
 }