updated readme

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Yuan 2018-08-28 00:37:21 +01:00
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commit ebc749c5e0

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@ -212,7 +212,7 @@ Once you've done that, your config section should look like this:
}
```
Authentication can be handled automatically by [Google Cloud service account credentials](https://cloud.google.com/docs/authentication/getting-started)
Authentication is handled automatically by [Google Cloud service account credentials](https://cloud.google.com/docs/authentication/getting-started), by providing authentication details to the GOOGLE_APPLICATION_CREDENTIALS environmental variable.
## Author