diff --git a/README.md b/README.md
index e4c3ca5..cca0a1d 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,7 @@ import cookie from 'react-cookies'
 
 handleButtonClick() {
   const expires = new Date()
-  expires.setDate(now.getDate() + 14)
+   expires.setDate(Date.now() + 1000 * 60 * 60 * 24 * 14)
 
   cookie.save(
     'userId',