Multiligual modules configuration

config/sync/core.entity_form_display.comment.comment.default.yml

@@ -31,5 +31,12 @@ content:
         hide_help: '1'
         hide_guidelines: '0'
     region: content
+  langcode:
+    type: language_select
+    weight: 2
+    region: content
+    settings:
+      include_locked: true
+    third_party_settings: {  }
 hidden:
   subject: true