diff --git a/README.md b/README.md
index 355ebe7..ac7bf3e 100644
--- a/README.md
+++ b/README.md
@@ -28,11 +28,11 @@ publicClient.getDepth(console.log, 'iota_btc');
 publicClient.getTrades(console.log);
 
 // replace the parameters with your API key and secret
-var privateClient = new OKCoin('your-api-key', 'your-api-secret');
+var privateClient = new OKEX('your-api-key', 'your-api-secret');
 
 privateClient.getUserInfo(console.log);
 
 // buy limit order for 1 IOTA at price 00021054 BTC
 privateClient.addTrade(console.log, 'iota_btc', 'buy', '1', '00021054');
 
-```
\ No newline at end of file
+```