serverless.yaml example returns an error when includeing s3:event.

[your-eminence]

The example serverless.yaml in the readme provides:

  s3hook:
    handler: handler.s3hook
    events:
      - s3: local-bucket
        event: s3:*

Which gives the following error when used:

Warning: Invalid configuration encountered
  at 'functions.index.events.0': unrecognized property 'event'

The only way I could get the event line to work was to use the following notation:

  s3hook:
    handler: handler.s3hook
    events:
      - s3:
          bucket: local-bucket
          event: s3:*