-'dropdown.this_day' => 'aktueller Tag',
-'dropdown.this_week' => 'aktuelle Woche',
-'dropdown.last_week' => 'vorherige Woche',
-'dropdown.this_month' => 'aktueller Monat',
-'dropdown.last_month' => 'vorheriger Monat',
-'dropdown.this_year' => 'aktuelles Jahr',
+'dropdown.current_day' => 'heute',
+'dropdown.previous_day' => 'gestern',
+'dropdown.selected_day' => 'Tag',
+'dropdown.current_week' => 'diese Woche',
+'dropdown.previous_week' => 'vorherige Woche',
+'dropdown.selected_week' => 'Woche',
+'dropdown.current_month' => 'dieser Monat',
+'dropdown.previous_month' => 'vorheriger Monat',
+'dropdown.selected_month' => 'Monat',
+'dropdown.current_year' => 'dieses Jahr',
+'dropdown.previous_year' => 'vorheriges Jahr',
+'dropdown.selected_year' => 'Jahr',