update readme

rzcoder · rzcoder · commit 8c0899179661 · 2014-04-04T21:46:50.000+06:00
diff --git a/README.md b/README.md
@@ -34,6 +34,8 @@ var key = new NodeRSA([key], [options]);
 
 #### "Empty" key
 ```js
+var NodeRSA = require('node-rsa');
+
 var key = new NodeRSA();
 ```
 
