diff --git a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
index c861239..5a6160e 100644
--- a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
+++ b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
@@ -89,7 +89,7 @@ public function post(EntityInterface $entity = NULL) {
     }
     foreach ($entity as $field_name => $field) {
       if (!$field->access('create')) {
-        throw new AccessDeniedHttpException(String::format('Access denied on creating field ', array('@field' => $field_name)));
+        throw new AccessDeniedHttpException(String::format('Access denied on creating field @field ', array('@field' => $field_name)));
       }
     }