Merge branch 'docs-add-missing-bracket' into 'master'

Add missing curly bracket to i18n example

See merge request gitlab-org/gitlab!38970

doc/development/i18n/externalization.md

@@ -196,7 +196,7 @@ For example use `%{created_at}` in Ruby but `%{createdAt}` in JavaScript. Make s
   // => 'This is <strong><script>alert('evil')</script></strong>'
 
   // OK:
-  sprintf(__('This is %{value}'), { value: `<strong>${escape(someDynamicValue)}</strong>`, false);
+  sprintf(__('This is %{value}'), { value: `<strong>${escape(someDynamicValue)}</strong>` }, false);
   // => 'This is <strong>&lt;script&gt;alert(&#x27;evil&#x27;)&lt;/script&gt;</strong>'
   ```