message: fixed code example
diff: @@ -9,7 +9,7 @@ export default `function Test() {
  return (
  {fields.map((field, index) => (
  {/* important: using id from to track item added or removed */}
  - <input key={field.id} name={\`test[\${index}]\`} ref={register()} />
  + <input key={field.id} name={\`test[\${index}].value\`} ref={register()} />
  ))}
  );
  }
  