updated readme

README.md

@@ -54,8 +54,7 @@ The approach of SubProvider is preferable for several reasons:
 
 ## Principles
 
-`flutter_sub_provider` uses `flutter_sub`'s concept of a Sub, a compact versions of StatefulWidgets that create, update, and dispose of a value,
-and combines it with `provider` to create SubProviders.
+`flutter_sub_provider` uses `flutter_sub`'s concept of a Sub, a shortcut to a StatefulWidget, and combines it with `provider` to create SubProviders.
 
 SubProviders extend the corresponding Provider type and add the ability to handle changing dependencies.  
 When a dependency updates, the SubProvider fully recreates its managed object, ensuring that it always operates on the latest dependencies.