diff --git a/engine/src/flutter/shell/platform/fuchsia/dart_runner/meta/common.shard.cml b/engine/src/flutter/shell/platform/fuchsia/dart_runner/meta/common.shard.cml
index 200637d89c4..6cd5a6c31e5 100644
--- a/engine/src/flutter/shell/platform/fuchsia/dart_runner/meta/common.shard.cml
+++ b/engine/src/flutter/shell/platform/fuchsia/dart_runner/meta/common.shard.cml
@@ -13,6 +13,7 @@
         },
     ],
     use: [
+        // This is used by the Dart VM to load i18n data.
         {
             directory: "config-data",
             rights: [ "r*" ],