How to change “Shipping Calculator “field label on Cart Page – woocommerce? [closed]

Add this to your functions.php:

add_filter( 'gettext', 'woocomerce_text_strings', 20, 3 );        
function woocomerce_text_strings( $translated_text, $text, $domain ) {            
       switch ( $translated_text ) {            
            case 'shipping calculator' :        
                $translated_text = __( 'Calculate Shipping', 'woocommerce' );        
                break;    
        }        
        return $translated_text;             
}