Documentation update

Author: Mateus Felipe

README.md

@@ -1,5 +1,9 @@
 # Hydrated
 
+[![Version](https://img.shields.io/pub/v/hydrated)](https://pub.dev/packages/hydrated)
+[![Build](https://img.shields.io/github/workflow/status/lukepighetti/hydrated/Flutter)](https://github.com/lukepighetti/hydrated/actions?query=Flutter)
+[![License](https://img.shields.io/github/license/lukepighetti/hydrated)](https://opensource.org/licenses/MIT)
+
 Hydrated provides a BehaviorSubject that automatically persists to Flutter's local storage and hydrates on creation!
 
 ## Easy to consume

lib/hydrated.dart

@@ -4,7 +4,7 @@ import 'dart:async';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:rxdart/rxdart.dart';
 
-/// A [BehaviorSubject] that automatically persists its values and hydrates on creation.
+/// A [Subject] that automatically persists its values and hydrates on creation.
 ///
 /// HydratedSubject supports serialized classes and [shared_preferences] types such as: `int`, `double`, `bool`, `String`, and `List<String>`
 ///