diff --git a/render.go b/render.go
index bdfcd28..07167b6 100644
--- a/render.go
+++ b/render.go
@@ -1,6 +1,8 @@
 package prompt
 
-import "runtime"
+import (
+	"runtime"
+)
 
 // Render to render prompt information from state of Buffer.
 type Render struct {