If you feel strongly that the value of the brand tag should be "Access Self Storage" rather just "Access", you will need to get the Name Suggestion Index project updated. You can either raise an issue in their Github project, or contribute a pull request changing this file: https://github.com/osmlab/name-suggestion-index/blob/db2fabc82fb0725437c5c336f94ab2665e6a87c8/data/brands/shop/storage_rental.json#L23