diff --git a/reservation.inc b/reservation.inc
index fa48c12..11e8e22 100644
--- a/reservation.inc
+++ b/reservation.inc
@@ -233,6 +233,7 @@ function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInte
       <h2 class="reservation-h2">' . t('Reservation booking for') . ':</h2><div><strong>' . $bundleName . ': ' . $entity->label() . '</strong></div>
       <div><strong>' . t('Date') . ': ' . $date . '</strong></div>
       <div><strong>' . t('Time') . ': ' . $time . '</strong></div>
+      <div><strong>' . t('Length') . ': ' . $lengthDisplay . '</strong></div>
       <br>',
   ];
 
@@ -271,7 +272,7 @@ function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInte
  */
 function reserve_form_reserve_reservation_delete_form_alter(array &$form, FormStateInterface $form_state) {
   // Retrieve an array which contains the path pieces.
-  $refer_path = $_SERVER["HTTP_REFERER"];
+  $refer_path = $_SERVER['HTTP_REFERER'];
   $path_args = explode('/', $refer_path);
 
   $month = $path_args[6];
diff --git a/reserve.info.yml b/reserve.info.yml
index 4868934..6975375 100644
--- a/reserve.info.yml
+++ b/reserve.info.yml
@@ -1,7 +1,6 @@
 name: Reserve
 type: module
 description: Reservation system.
-core: 8.x
 package: Reserve
 core_version_requirement: ^8 || ^9
 dependencies: