fix: in_app_purchase_android/README.md

Author: Uda-Titor

packages/in_app_purchase/in_app_purchase_android/CHANGELOG.md

@@ -1,6 +1,6 @@
 ## 0.1.4+8
 
-* Fix broken link in packages/in_app_purchase/in_app_purchase_android/README.
+* Fix a broken link in the README.
 
 ## 0.1.4+7
 

packages/in_app_purchase/in_app_purchase_android/README.md

@@ -24,6 +24,6 @@ If you would like to contribute to the plugin, check out our
 [contribution guide](https://github.com/flutter/plugins/blob/master/CONTRIBUTING.md).
 
 
-[1]: https://github.com/flutter/plugins/tree/master/packages/in_app_purchase
+[1]: https://pub.dev/packages/in_app_purchase
 [2]: https://flutter.dev/docs/development/packages-and-plugins/developing-packages#endorsed-federated-plugin
 [3]: https://pub.dev/packages/in_app_purchase_android/install