fix(Flutter Web App): fixes html lang typo (flutter#151866)

Updates the html tag lang attribute to valid "en-US" according to W3.org. [Before screenshot](https://screenshot.googleplex.com/CMEvi8nAofR4twf) [After screenshot](https://screenshot.googleplex.com/5aJZBc6o5Xm9fXH) Fixes b/338044851 *Replace this paragraph with a description of what this PR is changing or adding, and why. Consider including before/after screenshots.* *List which issues are fixed by this PR. You must list at least one issue. An issue is not required if the PR fixes something trivial like a typo.* *If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*
TytaniumDev · Aug 7, 2024 · 123606f · 123606f
1 parent fd08b77
commit 123606f
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 lang="en_US">
+<html lang="en-US">
 <head>
   <!--
     If you are serving your web app in a path other than the root, change the