Python decorator enabling use of British English named arguments

british_english.py

def enable_british_english(func):
    """
    A simple decorator allowing users to provide British english 
    arguments to functions and methods.

    Example:

    @enable_british_english
    def favourite(color=None):
        print(f"my favourite colour is {color}")

    favourite(color="red")
    > my favourite colour is red
    favourite(colour="blue")
    > my favourite colour is blue
    """

    def wrapper(**kwargs):

        """
        Arguments:
            kwargs
                List of kwargs originally passed to decorated function.
        """

        # dictionary (obviously needs exapanding)
        british_to_american = {
            'colour': 'color',
            'colours': 'colors',
            'centre': 'center',
            'catalogue': 'catalog'
        }

        # list of new kwargs to pass to function
        kwargs_ = {}
        for k, v in kwargs.items():
            if k in british_to_american.keys():
                kwargs_[british_to_american[k]] = v
            else:
                kwargs_[k] = v

        return func(**kwargs_)
        
    return wrapper