Edit file File name : block.json Content :{ "name": "woocommerce/cart-order-summary-heading-block", "version": "1.0.0", "title": "Heading", "description": "Shows the heading row.", "category": "woocommerce", "supports": { "align": false, "html": false, "multiple": false, "reusable": false }, "attributes": { "className": { "type": "string", "default": "" }, "content": { "type": "string", "default": "Cart totals" }, "lock": { "type": "object", "default": { "remove": false, "move": false } } }, "parent": [ "woocommerce/cart-order-summary-block" ], "textdomain": "woocommerce", "$schema": "https://schemas.wp.org/trunk/block.json", "apiVersion": 2 } Save