diff --git a/core/lib/Drupal/Core/Entity/EntityAccessControlHandlerInterface.php b/core/lib/Drupal/Core/Entity/EntityAccessControlHandlerInterface.php
index 5532996b2d993cb54fde2b8c7f2b3a9a75094f9e..92e09562d54f96abf3c2b4111d9136b0f931d39f 100644
--- a/core/lib/Drupal/Core/Entity/EntityAccessControlHandlerInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityAccessControlHandlerInterface.php
@@ -86,8 +86,9 @@ public function setModuleHandler(ModuleHandlerInterface $module_handler);
    * \Drupal\Core\Entity\EntityAccessControlHandlerInterface::access().
    *
    * @param string $operation
-   *   The operation access should be checked for.
-   *   Usually one of "view" or "edit".
+   *   The operation access should be checked for. Usually one of "view" or
+   *   "edit". Unlike entity access, for field access there is no distinction
+   *   between creating and updating.
    * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
    *   The field definition.
    * @param \Drupal\Core\Session\AccountInterface $account