1. Section [link](https://github.com/Azure/azure-sdk-for-python/tree/master/sdk/monitor/azure-monitor-opentelemetry-exporter#export-hello-world-trace):  Reason: TypeError: from_connection_string() missing 1 required positional argument: 'conn_str' Suggestion: Update to `conn_str`. 2. Section [link](https://github.com/Azure/azure-sdk-for-python/tree/master/sdk/monitor/azure-monitor-opentelemetry-exporter#microsoft-opentelemetry-exporter-for-azure-monitor):  Suggestion: Remove an extra `|`. @jongio for notification.
