fix typo [skip ci]

Author: hoc081098

README.md

@@ -46,7 +46,7 @@ This pattern was specified by [André Medeiros (Staltz)](https://twitter.com/and
   Basically, the `model()` function calls our apps business logic (could be an Interactor, Usecase, Repository … whatever pattern / terminology you use in your app) and delivers a new Model object as result.
 - `view()`: This method takes the model returned from `model()` function and gives it as input to the `view()` function. Then the View simply displays this Model somehow. `view()` is basically the same as `view.render(model)`.
 
-### References
+### Reference
 
 - [Model-View-Intent Design Pattern on Android](https://xizzhu.me/post/2021-06-21-android-mvi-kotlin-coroutines-flow-compose/)
 - [Reactive Apps with Model-View-Intent](https://hannesdorfmann.com/android/mosby3-mvi-1/)