$string['existingteachers'] = 'Existing teachers';
$string['explanation'] = 'Explanation';
$string['expirynotify'] = 'Enrolment expiry notification';
-$string['expirynotifyemail'] = 'The following students in this course are expiring after exact $a->threshold days:
+$string['expirynotifyemail'] = 'The following students in this course are expiring after exactly $a->threshold days:
$a->current