diff --git a/doc/languages-frameworks/dart.section.md b/doc/languages-frameworks/dart.section.md
index 594ef7391cbb..1b065ff4cde7 100644
--- a/doc/languages-frameworks/dart.section.md
+++ b/doc/languages-frameworks/dart.section.md
@@ -101,7 +101,7 @@ See the [Dart documentation](#ssec-dart-applications) for more details on requir
 `flutter` in Nixpkgs always points to `flutterPackages.stable`, which is the latest packaged version. To avoid unforeseen breakage during upgrade, packages in Nixpkgs should use a specific flutter version, such as `flutter319` and `flutter322`, instead of using `flutter` directly.
 
 ```nix
-{  flutter, fetchFromGitHub }:
+{  flutter322, fetchFromGitHub }:
 
 flutter322.buildFlutterApplication {
   pname = "firmware-updater";