Fix mistake in the docs of RouteInformationParser (#66023)

packages/flutter/lib/src/widgets/router.dart

@@ -976,8 +976,8 @@ class ChildBackButtonDispatcher extends BackButtonDispatcher {
 ///
 /// This delegate is used when the [Router] widget is first built with initial
 /// route information from [Router.routeInformationProvider] and any subsequent
-/// new route notifications from it. The [parseRouteInformation] widget calls
-/// the [parseRouteInformation] with the route information.
+/// new route notifications from it. The [Router] widget calls the [parseRouteInformation]
+/// with the route information from [Router.routeInformationProvider].
 abstract class RouteInformationParser<T> {
   /// Abstract const constructor. This constructor enables subclasses to provide
   /// const constructors so that they can be used in const expressions.