import re


def get_indicator_description(indicator_name):
    """Replace non ascii characters in indicator name to create a string
    that can be used as a node description.
    Args:
        indicator_name: the indicator name as a string.
    Returns:
        description: a string that can be used as a node description.
    """
    description = re.sub("\–|\−", "-", indicator_name)
    description = re.sub('\“|\”', '"', description)
    description = description.replace(" ", "")
    description = description.replace("m²", "square metre")
    return description