message: Fix typo in normalized example
diff: @@ -46,7 +46,7 @@ The above would look like the following once we normalized the data:
  "author": "Author:1" // link
  },
  "Author:1": {
  - "__typename": "Todo",
  + "__typename": "Author",
  "id": "1", // record
  "name": "urql-team" // record
  }
  