diff --git a/packages/web3-providers/README.md b/packages/web3-providers/README.md
index d9b28d174fb..6d030769088 100644
--- a/packages/web3-providers/README.md
+++ b/packages/web3-providers/README.md
@@ -36,10 +36,11 @@ Instead of setting a authorization header you could also define the credentials
 
 ```js 
 import {WebsocketProvider} from 'web3-providers';
+const credentials = Buffer.from('username:password').toString('base64')
 const options = { 
     timeout: 30000, 
     headers: {
-        authorization: 'Basic username:password'
+        authorization: `Basic ${credentials}`
     }
 };