s replacing n

#Spell

@@ -119,7 +119,7 @@ void main() => runApp(GetMaterialApp(home: Home()));
 ```
 
 - Note: this does not modify the MaterialApp of the Flutter, GetMaterialApp is not a modified MaterialApp, it is just a pre-configured Widget, which has the default MaterialApp as a child. You can configure this manually, but it is definitely not necessary. GetMaterialApp will create routes, inject them, inject translations, inject everything you need for route navigation. If you use Get only for state management or dependency management, it is not necessary to use GetMaterialApp. GetMaterialApp is necessary for routes, snackbars, internationalization, bottomSheets, dialogs, and high-level apis related to routes and absence of context.
-- Note²: This step in only necessary if you gonna use route management (`Get.to()`, `Get.back()` and so on). If you not gonna use it then it is not necessary to do step 1
+- Note²: This step is only necessary if you gonna use route management (`Get.to()`, `Get.back()` and so on). If you not gonna use it then it is not necessary to do step 1
 
 - Step 2:
   Create your business logic class and place all variables, methods and controllers inside it.