Explain S3 bucket names

Author: kbatuigas

modules/manage/pages/iceberg/iceberg-topics-aws-glue.adoc

@@ -230,7 +230,9 @@ Use your own values for the following placeholders:
 +
 --
 - `<glue-region>`: The AWS region where your Data Catalog is located. The region in the AWS Glue endpoint must match the region specified in your config_ref:iceberg_rest_catalog_aws_region,true,properties/cluster-properties[`iceberg_rest_catalog_aws_region`] property.
-- `<bucket-name>` and `<warehouse-path>`: AWS Glue requires you to specify the base location where Redpanda stores Iceberg data and metadata files. You must use an S3 URI; for example, `s3://<bucket-name>/iceberg`. As a security best practice, Redpanda Data recommends specifying a subfolder (using prefixes) rather than the root of the bucket.
+- `<bucket-name>` and `<warehouse-path>`: AWS Glue requires you to specify the base location where Redpanda stores Iceberg data and metadata files. You must use an S3 URI; for example, `s3://<bucket-name>/iceberg`. For BYOC clusters, the bucket name is `redpanda-cloud-storage-<cluster-id>`. For BYOVPC clusters, use the name of the bucket you created as a customer-managed resource.
++
+As a security best practice, Redpanda Data recommends specifying a subfolder (using prefixes) rather than the root of the bucket.
 - `<glue-access-key>` (static credentials only): The AWS access key ID for your Glue service account.
 - `<glue-secret-key-name>` (static credentials only): The name of the secret that stores the AWS secret access key for your Glue service account. To reference a secret in a cluster property, for example `iceberg_rest_catalog_aws_secret_key`, you must first xref:manage:iceberg/use-iceberg-catalogs.adoc#store-a-secret-for-rest-catalog-authentication[store the secret value].
 --