Update README.md

Author: s0ph1e

README.md

@@ -59,10 +59,10 @@ Makes requests to `urls` and saves all files found with `sources` to `directory`
 **callback** - callback function *(optional)*, includes following parameters:
 
   - `error`: if error - `Error` object, if success - `null`
-  - `result`: if error - `null`, if success - array of objects containing:
+  - `result`: if error - `null`, if success - array of [Resource](https://github.com/s0ph1e/node-website-scraper/blob/master/lib/resource.js) objects containing:
     - `url`: url of loaded page
     - `filename`: filename where page was saved (relative to `directory`)
-    - `assets`: array of children resources (each of them contains `url`, `filename`, `assets`)
+    - `children`: array of children Resources
 
 ### Filename Generators
 The filename generator determines where the scraped files are saved.