diff --git a/modules/opd_daily_emails/opd_daily_emails.module b/modules/opd_daily_emails/opd_daily_emails.module
index 682a98a7f..fc311bd3e 100644
--- a/modules/opd_daily_emails/opd_daily_emails.module
+++ b/modules/opd_daily_emails/opd_daily_emails.module
@@ -36,6 +36,8 @@ function opd_daily_emails_entity_presave(Drupal\Core\Entity\EntityInterface $ent
     return;
   }
 
+  // TODO: Don't add a CTA if the email already contains a "P.S.".
+
   $nodeStorage = \Drupal::entityTypeManager()->getStorage('node');
   $query = $nodeStorage->getQuery();
   $query->condition('status', NodeInterface::PUBLISHED);