Remove or Update order notes in WooCommerce checkout page

 // removes Order Notes Title - Additional Information add_filter( 'woocommerce_enable_order_notes_field', '__return_false' ); // remove Order Notes Field add_filter( 'woocommerce_checkout_fields' , 'raza_remove_order_notes' ); function raza_remove_order_notes( $fields ) { unset($fields['order']['order_comments']); // for removing $fields['order']['order_comments']['label'] = 'Hotel Information'; // change label $fields['order']['order_comments']['placeholder'] = 'Hotel Information'; // change placeholder $fields['order']['order_comments']['required'] = true; // make it required return $fields; }