message: (docs) - update docs
diff: @@ -72,13 +72,23 @@ The rest of the properties (complete and \_\_typename) will stay untouched.
  ```js
  const cache = cacheExchange({
  updates: {
  - addTodo: (result, arguments, cache, info) => {
  + Mutation: {
  + addTodo: (result, args, cache, info) => {
  cache.updateQuery(Todos, data => {
  data.todos.push(result);
  return data;
  });
  },
  },
  + Subscription: {
  + newTodo: (result, args, cache) => {
  + cache.updateQuery(Todos, data => {
  + data.todos.push(result);
  + return data;
  + });
  + },
  + },
  + },
  });
  ```
  