Update readme to refer to new telemetry setting (#3376)

README.md

@@ -99,7 +99,7 @@ This project has adopted the [Microsoft Open Source Code of Conduct](https://ope
 
 ## Telemetry
 
-VS Code collects usage data and sends it to Microsoft to help improve our products and services. Read our [privacy statement](https://go.microsoft.com/fwlink/?LinkID=528096&clcid=0x409) to learn more. If you don’t wish to send usage data to Microsoft, you can set the `telemetry.enableTelemetry` setting to `false`. Learn more in our [FAQ](https://code.visualstudio.com/docs/supporting/faq#_how-to-disable-telemetry-reporting).
+VS Code collects usage data and sends it to Microsoft to help improve our products and services. Read our [privacy statement](https://go.microsoft.com/fwlink/?LinkID=528096&clcid=0x409) to learn more. If you don’t wish to send usage data to Microsoft, you can set the `telemetry.telemetryLevel` setting to `off`. Learn more in our [FAQ](https://code.visualstudio.com/docs/supporting/faq#_how-to-disable-telemetry-reporting).
 
 ## License