add lang attribute to the a11y_assessments app (#147586)

Since the app is used to assess Flutter's overall accessibility, the app should follow at many guidelines as possible, including setting the `lang` attribute. Fixes b/338044851
engine-flutter-autoroll · May 1, 2024 · ba6302e · ba6302e
1 parent 5f9e069
commit ba6302e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/dev/a11y_assessments/web/index.html b/dev/a11y_assessments/web/index.html
@@ -3,7 +3,7 @@
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file. -->
 
-<html>
+<html lang="en_US">
 <head>
   <!--
     If you are serving your web app in a path other than the root, change the