diff --git a/core/lib/Drupal/Core/Entity/Query/QueryInterface.php b/core/lib/Drupal/Core/Entity/Query/QueryInterface.php
index 8852f0b..031678e 100644
--- a/core/lib/Drupal/Core/Entity/Query/QueryInterface.php
+++ b/core/lib/Drupal/Core/Entity/Query/QueryInterface.php
@@ -114,7 +114,7 @@ public function exists($field, $langcode = NULL);
    *   Name of a field.
    * @param $langcode
    *   Language code (optional).
-   * @return \Drupal\Core\Entity\Query\QueryInterface
+   * @return \Drupal\Core\Entity\Query\QueryInterface44
    */
   public function notExists($field, $langcode = NULL);
 
@@ -128,25 +128,35 @@ public function notExists($field, $langcode = NULL);
    *   An optional integer to distinguish between multiple pagers on one page.
    *   If not provided, one is automatically calculated.
    *
-   * @return \Drupal\Core\Entity\Query\QueryInterface
+   * @return $this
    *   The called object.
    */
   public function pager($limit = 10, $element = NULL);
 
   /**
+   * Queries for defining range.
+   *
    * @param null $start
+   *   The first record from the result set to return. If NULL, removes any
+   *   range directives that are set.
    * @param null $length
+   *   The maximum number of rows to return.
+   *
    * @return \Drupal\Core\Entity\Query\QueryInterface
    *   The called object.
    */
   public function range($start = NULL, $length = NULL);
 
   /**
+   * Queries for sorting.
+   *
    * @param $field
    *   Name of a field.
    * @param string $direction
+   *   Sorting direction.
    * @param $langcode
    *   Language code (optional).
+   *
    * @return \Drupal\Core\Entity\Query\QueryInterface
    *   The called object.
    */