Add arguments in changelog

CHANGELOG.md

@@ -4,9 +4,9 @@
 - Fixed editor's hint popup positioning when widget is not fit into the page bounds
 - Added `options` parameter for `loadDataFromUrl()` with following options:
     - `fetch` – is passing as is into `fetch()` as second argument
-    - `isResponseOk` – a function to check response is ok
-    - `getContentSize` - a function to determine a size of decoded content
-    - `validateData` - a function to check payload is valid response data, must throw an error if data is invalid
+    - `isResponseOk(response)` – a function to check response is ok
+    - `getContentSize(url, response)` - a function to determine a size of decoded content
+    - `validateData(data)` - a function to check payload is valid response data, must throw an error if data is invalid
 - Changed `Widget#setContainer()` to append only if container is an instance of `Node`
 
 ## 1.0.0-beta.57 (04-03-2021)