def compose_create_description(document: dict) -> str:
    """
    Compose a change description for the creation of a new OTU given its document.

    :param document: the OTU document
    :return: a change description

    """
    name = document["name"]
    abbreviation = document.get("abbreviation")

    # Build a ``description`` field for the otu creation change document.
    description = f"Created {name}"

    # Add the abbreviation to the description if there is one.
    if abbreviation:
        return f"{description} ({abbreviation})"

    return description