diff --git a/core/lib/Drupal/Core/Entity/EntityAutocompleteMatcher.php b/core/lib/Drupal/Core/Entity/EntityAutocompleteMatcher.php
index cf19b0c..e884f94 100644
--- a/core/lib/Drupal/Core/Entity/EntityAutocompleteMatcher.php
+++ b/core/lib/Drupal/Core/Entity/EntityAutocompleteMatcher.php
@@ -46,7 +46,7 @@ public function __construct(SelectionPluginManagerInterface $selection_manager)
    *   (optional) The label of the entity to query by.
    *
    * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
-   *   Thrown when the current user doesn't have access to the specifies entity.
+   *   Thrown when the current user doesn't have access to the specified entity.
    *
    * @return array
    *   An array of matched entity labels, in the format required by the AJAX
diff --git a/core/lib/Drupal/Core/Entity/Query/Sql/Query.php b/core/lib/Drupal/Core/Entity/Query/Sql/Query.php
index 0f2ea9b..410976d 100644
--- a/core/lib/Drupal/Core/Entity/Query/Sql/Query.php
+++ b/core/lib/Drupal/Core/Entity/Query/Sql/Query.php
@@ -93,7 +93,7 @@ public function execute() {
    * Prepares the basic query with proper metadata/tags and base fields.
    *
    * @throws \Drupal\Core\Entity\Query\QueryException
-   *   Thrown if the base table does not exists.
+   *   Thrown if the base table does not exist.
    *
    * @return \Drupal\Core\Entity\Query\Sql\Query
    *   Returns the called object.
diff --git a/core/lib/Drupal/Core/Entity/Query/Sql/Tables.php b/core/lib/Drupal/Core/Entity/Query/Sql/Tables.php
index e1a976a..98ba28a 100644
--- a/core/lib/Drupal/Core/Entity/Query/Sql/Tables.php
+++ b/core/lib/Drupal/Core/Entity/Query/Sql/Tables.php
@@ -234,8 +234,24 @@ public function isFieldCaseSensitive($field_name) {
   /**
    * Join entity table if necessary and return the alias for it.
    *
+   * @param string $index_prefix
+   *   Table prefix name.
    * @param string $property
+   *   Field name.
+   * @param string $type
+   *   Join type, can either be INNER or LEFT.
+   * @param string $langcode
+   *   Language code.
+   * @param string $base_table
+   *   Base table name.
+   * @param string $id_field
+   *   Field name.
+   * @param array $entity_tables
+   *   Array of tables.
+   *
    * @return string
+   *   Returns table alias.
+   *
    * @throws \Drupal\Core\Entity\Query\QueryException
    */
   protected function ensureEntityTable($index_prefix, $property, $type, $langcode, $base_table, $id_field, $entity_tables) {
@@ -255,7 +271,9 @@ protected function ensureEntityTable($index_prefix, $property, $type, $langcode,
    *
    * @param $field_name
    *   Name of the field.
+   *
    * @return string
+   *
    * @throws \Drupal\Core\Entity\Query\QueryException
    */
   protected function ensureFieldTable($index_prefix, &$field, $type, $langcode, $base_table, $entity_id_field, $field_id_field) {