Add minor wording change

Co-authored-by: Rak Siva <[email protected]>

Author: HomelessDinosaur

src/pages/guides/dart/flutter.mdx

@@ -696,7 +696,7 @@ class favoritesPage extends StatelessWidget {
 }
 ```
 
-You might notice at no point is the favorites list actually being fetched, so the `favoritesProvider` will always contain an empty favorites list. This will be handled in the next section where we build the navigation.
+You might notice that at no point is the favorites list actually being fetched, so the `favoritesProvider` will always contain an empty favorites list. This will be handled in the next section where we build the navigation.
 
 ### Navigation