Issue #2629748 by mpp: Typo in CronForm

core/modules/system/src/Form/CronForm.php

@@ -127,7 +127,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
   public function submitForm(array &$form, FormStateInterface $form_state) {
     // Run cron manually from Cron form.
     if ($this->cron->run()) {
-      drupal_set_message(t('Cron run successfully.'));
+      drupal_set_message(t('Cron ran successfully.'));
     }
     else {
       drupal_set_message(t('Cron run failed.'), 'error');