diff --git a/README.md b/README.md
index 9de31a1..53857b3 100644
--- a/README.md
+++ b/README.md
@@ -34,8 +34,8 @@ Be aware that by making a pull request, you agree to release your modifications
 ## Usage
 
 ```javascript
-scrypt = require("scrypt-for-humans");
-Promise = require("bluebird");
+var scrypt = require("scrypt-for-humans");
+var Promise = require("bluebird");
 
 /* Using Promises */