def _get_context_info_from_url(url_string):
    """Examine a url for helpful info for use in a note

    :param url_string: The url to examine
    :returns: String of helpful information
    Strings returned should include a leading space.
    """
    if url_string.endswith("/builddata"):
        return " - builddata"
    # Other "helpful" patterns would show up here.
    return ""