diff --git a/simplereservation.routing.yml b/simplereservation.routing.yml
index 4436079..074f602 100644
--- a/simplereservation.routing.yml
+++ b/simplereservation.routing.yml
@@ -10,7 +10,7 @@ simplereservation.admin_config_services_items:
   path: '/admin/config/services/simplereservation/items'
   defaults:
     _title: 'Items'
-    _content: '\Drupal\simplereservation\Controller\AdminController::mainPage'
+    _controller: '\Drupal\simplereservation\Controller\AdminController::mainPage'
   requirements:
     _permission: 'administer simple reservation system'
 
@@ -36,7 +36,7 @@ simplereservation.admin_config_services_showall:
   path: '/admin/config/services/simplereservation/showall/{option}'
   defaults:
     _title: 'List Reservations'
-    _content: '\Drupal\simplereservation\Controller\ReservationController::showall'
+    _controller: '\Drupal\simplereservation\Controller\ReservationController::showall'
     option: NULL
   requirements:
     _permission: 'administer simple reservation system'
@@ -80,14 +80,14 @@ simplereservation.simplereservation:
   path: '/simplereservation'
   defaults:
     _title: 'Reservation'
-    _content: '\Drupal\simplereservation\Controller\ReservationController::today'
+    _controller: '\Drupal\simplereservation\Controller\ReservationController::today'
   requirements:
     _permission: 'access simple reservations'
 
 simplereservation.simplereservation_by_week_year:
   path: '/simplereservation/{weekNum}/{year}'
   defaults:
-    _content: '\Drupal\simplereservation\Controller\ReservationController::by_week_year'
+    _controller: '\Drupal\simplereservation\Controller\ReservationController::by_week_year'
   requirements:
     _permission: 'access simple reservations'
     weekNum: \d+
@@ -103,7 +103,7 @@ simplereservation.reservation_add:
     year: \d+
     month: \d+
     day: \d+
-    
+
 simplereservation.reservation_add_for_others:
   path: '/simplereservation/add/{year}/{month}/{day}'
   defaults:
@@ -114,7 +114,7 @@ simplereservation.reservation_add_for_others:
     year: \d+
     month: \d+
     day: \d+
-    
+
 simplereservation.reservation_edit:
   path: '/simplereservation/edit/{reservation_number}'
   defaults: