Fixed localisation

source/ubl-settings-datetime.cc

@@ -175,6 +175,8 @@ void MainWindow::lacalization() {
     btnSaveLocal->set_label(save_local);
     btnLoadGlob->set_label(load_global);
     btnLoadLocal->set_label(load_local);
+    btnhelp->set_label(str_help);
+    btnAbout->set_label(str_about_1);
 }
 
 void MainWindow::bubble_sort(string arr[],string arr_local[], int len_arr) {