public function settingsForm(array $form, FormStateInterface $form_state) {
$element['display_label'] = [
'#type' => 'checkbox',
- '#title' => t('Use field label instead of the "On label" as label'),
+ '#title' => t('Use field label instead of the "On" label as the label.'),
'#default_value' => $this->getSetting('display_label'),
'#weight' => -1,
];