volume fail

gistfile1.txt

      volumes:
        - device_name: /dev/sda
          ebs.volume_type: standard
          ebs.volume_size: 100
          ebs.delete_on_termination: yes
        - device_name: /dev/sdf
          ebs.volume_type: standard
          ebs.volume_size: 400
          ebs.delete_on_termination: yes
         
         
         
        
Error:

An exception occurred during task execution. To see the full traceback, use -vvv. The error was: Unknown parameter in BlockDeviceMappings[1]: "Ebs.deleteOnTermination", must be one of: DeviceName, VirtualName, Ebs, NoDevice
fatal: [localhost]: FAILED! => {"boto3_version": "1.7.82", "botocore_version": "1.10.82", "changed": false, "msg": "Failed to create new EC2 instance: Parameter validation failed:\nUnknown parameter in BlockDeviceMappings[0]: \"Ebs.volumeSize\", must be one of: DeviceName, VirtualName, Ebs, NoDevice\nUnknown parameter in BlockDeviceMappings[0]: \"Ebs.volumeType\", must be one of: DeviceName, VirtualName, Ebs, NoDevice\nUnknown parameter in BlockDeviceMappings[0]: \"Ebs.deleteOnTermination\", must be one of: DeviceName, VirtualName, Ebs, NoDevice\nUnknown parameter in BlockDeviceMappings[1]: \"Ebs.volumeSize\", must be one of: DeviceName, VirtualName, Ebs, NoDevice\nUnknown parameter in BlockDeviceMappings[1]: \"Ebs.volumeType\", must be one of: DeviceName, VirtualName, Ebs, NoDevice\nUnknown parameter in BlockDeviceMappings[1]: \"Ebs.deleteOnTermination\", must be one of: DeviceName, VirtualName, Ebs, NoDevice"}