edit text in readme

Author: tewarid

README.md

@@ -20,8 +20,9 @@ TLS can be enabled at the proxy port using the `tls` option. If followed by `bot
 
 ## npm
 
-Install node-tcp-proxy from [npm](https://www.npmjs.com/package/node-tcp-proxy), thus
-```
+Install node-tcp-proxy using [npm](https://www.npmjs.com/package/node-tcp-proxy)
+
+```bash
 sudo npm install -g node-tcp-proxy
 ```