def rename(term):
    """
    Re-format feature terms after they've been formated by the vectorizer.

    Parameters:
    ----------
    term : str
        Mutilated term in string format.

    Returns
    -------
    str
        The normalised term.
    """
    term = term.upper()
    if 'IPR' in term:
        return term
    elif 'PF' in term:
        return term
    elif 'GO' in term:
        return term.replace("GO", 'GO:').replace('::', ':')
    else:
        return term