diff --git a/packages/flutter_tools/lib/src/devfs.dart b/packages/flutter_tools/lib/src/devfs.dart
index 1ec19a7..3d31b83 100644
--- a/packages/flutter_tools/lib/src/devfs.dart
+++ b/packages/flutter_tools/lib/src/devfs.dart
@@ -329,7 +329,7 @@
 }
 
 class DevFS {
-  /// Create a [DevFS] named [fsName] for the local files in [directory].
+  /// Create a [DevFS] named [fsName] for the local files in [rootDirectory].
   DevFS(VMService serviceProtocol,
         this.fsName,
         this.rootDirectory, {