diff --git a/core/lib/Drupal/Core/Entity/EntityStorageBase.php b/core/lib/Drupal/Core/Entity/EntityStorageBase.php
index 84a446a..2b2ddac 100644
--- a/core/lib/Drupal/Core/Entity/EntityStorageBase.php
+++ b/core/lib/Drupal/Core/Entity/EntityStorageBase.php
@@ -65,7 +65,7 @@
    *
    * @var string
    */
-  protected $languageKey;
+  protected $langcodeKey;
 
   /**
    * Constructs an EntityStorageBase instance.
diff --git a/core/lib/Drupal/Core/Entity/EntityTypeInterface.php b/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
index 7a6a018..9ba3be6 100644
--- a/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityTypeInterface.php
@@ -103,12 +103,11 @@ public function getClass();
    *     entry can be omitted if this entity type exposes a single bundle (such
    *     that all entities have the same collection of fields). The name of this
    *     single bundle will be the same as the entity type.
-   *   - label: (optional) The name of the property that contains the entity label. For
-   *     example, if the entity's label is located in $entity->subject, then
-   *     'subject' should be specified here. If complex logic is required to
-   *     build the label, a 'label_callback' should be defined instead (see the
-   *     $label_callback block above for details).
-
+   *   - label: (optional) The name of the property that contains the entity
+   *     label. For example, if the entity's label is located in
+   *     $entity->subject, then 'subject' should be specified here. If complex
+   *     logic is required to build the label, a 'label_callback' should be
+   *     defined instead (see the $label_callback block above for details).
    */
   public function getKeys();