[COMPONENTS][Posting] Added language help text

[COMPONENTS][Tag] Added Posting form canonical tags field help text

components/Posting/Posting.php

@@ -101,7 +101,7 @@ class Posting extends Component
             ['visibility', ChoiceType::class, ['label' => _m('Visibility:'), 'multiple' => false, 'expanded' => false, 'data' => 'public', 'choices' => [_m('Public') => 'public', _m('Instance') => 'instance', _m('Private') => 'private']]],
             ['content', TextareaType::class, ['label' => _m('Content:'), 'data' => $initial_content, 'attr' => ['placeholder' => _m($placeholder)], 'constraints' => [new Length(['max' => Common::config('site', 'text_limit')])]]],
             ['attachments', FileType::class, ['label' => _m('Attachments:'), 'multiple' => true, 'required' => false, 'invalid_message' => _m('Attachment not valid.')]],
-            FormFields::language($actor, $context_actor, label: _m('Note language:')),
+            FormFields::language($actor, $context_actor, label: _m('Note language:'), help: _m('The selected language will be federated and added as a lang attribute, preferred language can be set up in settings')),
         ];
 
         if (\count($available_content_types) > 1) {