Aws policy to allow write logs to cloudwatch

cloudwatch.policy

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "logs:CreateLogStream",
                "logs:PutLogEvents",
                "logs:DescribeLogStreams"
            ],
            "Resource": [
                "arn:aws:logs:us-east-1:847662935904:log-group:cloudwatch-rails:*"
            ]
        }
    ]
}