### What do you see as an issue?

The parameter is a boolean but is described as a string

https://github.com/apache/airflow/blob/1e95b069483f5f26a82946d2facc8f642f5ea389/airflow/providers/amazon/aws/hooks/s3.py#L526C1-L527C1

### Solving the problem

Update the docstring with a matching description as the `_check_key_async` operator

### Anything else

_No response_

### Are you willing to submit PR?

- [X] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

extra_args = self.extra_args
        if encrypt:
            extra_args["ServerSideEncryption"] = "AES256"
        if gzip:
            with open(filename, "rb") as f_in:
                filename_gz = f"{f_in.name}.gz"
                with gz.open(filename_gz, "wb") as f_out:
                    shutil.copyfileobj(f_in, f_out)
                    filename = filename_gz
        if acl_policy:
            extra_args["ACL"] = acl_policy
        client = self.get_conn()
        client.upload_file(filename, bucket_name, key, ExtraArgs=extra_args, Config=self.transfer_config)
    @unify_bucket_name_and_key
    @provide_bucket_name
    def load_string(
        self,
        string_data: str,
        key: str,
        bucket_name: str | None = None,
        replace: bool = False,
        encrypt: bool = False,
        encoding: str | None = None,
        acl_policy: str | None = None,
        compression: str | None = None,
    ) -> None:
        """
        Load a string to S3.
        This is provided as a convenience to drop a string in S3. It uses the
        boto infrastructure to ship a file to s3.