message: Fix error in cache.inspectFields code sample
  Contrary to a few lines up, in this closure `x` is already destructured
  which means `arguments` exists, but `x.arguments` does not.
  A small change makes sure the code works when copy pasted :)
diff: @@ -203,7 +203,7 @@ const cache = cacheExchange({
  todosQueries.forEach(({ arguments }) => {
  cache.updateQuery(
  - { query: TODOS_QUERY, variables: x.arguments },
  + { query: TODOS_QUERY, variables: arguments },
  data => {
  data.todos.push(result.addTodo);
  return data;
  