Update proxy-calling-support-tutorial-web.md

Author: ktoliver

articles/communication-services/tutorials/includes/proxy-calling-support-tutorial-web.md

@@ -156,7 +156,7 @@ You can create a Linux virtual machine in the Azure portal and deploy an NGINX s
 
 Here's an NGINX configuration that you can use as a sample:
 
-```js
+```
 events {
     multi_accept       on;
     worker_connections 65535;