docs: minor corrections (#18)

Author: nicklasl

README.md

@@ -1,6 +1,8 @@
 # Flutter Confidence SDK
 
-Flutter implementation of the [Confidence](https://confidence.spotify.com/).
+Flutter implementation of the [Confidence](https://confidence.spotify.com/) SDK.
+
+This SDK uses the [Android](https://github.com/spotify/confidence-sdk-android) and [iOS](https://github.com/spotify/confidence-sdk-swift) respectively under the hood.
 
 ## Usage
 
@@ -30,4 +32,4 @@ we can send custom events to the confidence sdk like following:
 
 ```dart
 confidence.track("[EVENT-NAME]", <String, dynamic>{});
-```
+```

pubspec.yaml

@@ -1,5 +1,5 @@
 name: confidence_flutter_sdk
-description: "Flutter implementation of the Confidence."
+description: "Flutter implementation of the Confidence SDK."
 #x-release-please-start-version
 version: 0.0.4
 #x-release-please-end
@@ -44,4 +44,4 @@ flutter:
         package: com.example.confidence_flutter_sdk
         pluginClass: ConfidenceFlutterSdkPlugin
       ios:
-        pluginClass: ConfidenceFlutterSdkPlugin
+        pluginClass: ConfidenceFlutterSdkPlugin