diff --git a/core/includes/database.inc b/core/includes/database.inc
index 044a09b..ff03885 100644
--- a/core/includes/database.inc
+++ b/core/includes/database.inc
@@ -26,7 +26,7 @@
  * instead.
  *
  * Do not use this function for INSERT, UPDATE, or DELETE queries. Those should
- * be handled via \Drupal::database()->insert(), db_update() and db_delete() respectively.
+ * be handled via db_insert(), db_update() and db_delete() respectively.
  *
  * @param string|\Drupal\Core\Database\StatementInterface $query
  *   The prepared statement query to run. Although it will accept both named and
diff --git a/core/lib/Drupal/Core/Database/database.api.php b/core/lib/Drupal/Core/Database/database.api.php
index 1a767b6..07e4343 100644
--- a/core/lib/Drupal/Core/Database/database.api.php
+++ b/core/lib/Drupal/Core/Database/database.api.php
@@ -124,11 +124,11 @@
  * @section_insert INSERT, UPDATE, and DELETE queries
  * INSERT, UPDATE, and DELETE queries need special care in order to behave
  * consistently across databases; you should never use db_query() to run
- * an INSERT, UPDATE, or DELETE query. Instead, use functions \Drupal::database()->insert(),
+ * an INSERT, UPDATE, or DELETE query. Instead, use functions db_insert(),
  * db_update(), and db_delete() to obtain a base query on your table, and then
  * add dynamic conditions (as illustrated in @ref sec_dynamic above).
  *
- * As a note, \Drupal::database()->insert() and similar functions are wrappers on connection
+ * As a note, db_insert() and similar functions are wrappers on connection
  * object methods. In most classes, you should use dependency injection and the
  * database connection object instead of these wrappers; See @ref sec_connection
  * below for details.
@@ -140,7 +140,7 @@
  * You can execute it via:
  * @code
  * $fields = array('id' => 1, 'uid' => 2, 'path' => 'path', 'name' => 'Name');
- * \Drupal::database()->insert('example')
+ * db_insert('example')
  *   ->fields($fields)
  *   ->execute();
  * @endcode
@@ -162,7 +162,7 @@
  *   $txn = db_transaction();
  *
  *   try {
- *     $id = \Drupal::database()->insert('example')
+ *     $id = db_insert('example')
  *       ->fields(array(
  *         'field1' => 'mystring',
  *         'field2' => 5,
diff --git a/core/lib/Drupal/Core/Entity/entity.api.php b/core/lib/Drupal/Core/Entity/entity.api.php
index d7e2f80..a31dbb9 100644
--- a/core/lib/Drupal/Core/Entity/entity.api.php
+++ b/core/lib/Drupal/Core/Entity/entity.api.php
@@ -947,6 +947,7 @@ function hook_entity_insert(Drupal\Core\Entity\EntityInterface $entity) {
     ))
     ->execute();
 }
+
 /**
  * Respond to creation of a new entity of a particular type.
  *
@@ -969,6 +970,7 @@ function hook_ENTITY_TYPE_insert(Drupal\Core\Entity\EntityInterface $entity) {
     ))
     ->execute();
 }
+
 /**
  * Respond to updates to an entity.
  *
diff --git a/core/modules/node/node.api.php b/core/modules/node/node.api.php
index b96e010..a4937f7 100644
--- a/core/modules/node/node.api.php
+++ b/core/modules/node/node.api.php
@@ -51,7 +51,7 @@
  *   'grant_update' => 0,
  *   'grant_delete' => 0,
  * );
- * \Drupal::database()->insert('node_access')->fields($record)->execute();
+ * db_insert('node_access')->fields($record)->execute();
  * @endcode
  * And then in its hook_node_grants() implementation, it would need to return:
  * @code
diff --git a/core/modules/node/tests/src/Functional/NodeAccessGrantsCacheContextTest.php b/core/modules/node/tests/src/Functional/NodeAccessGrantsCacheContextTest.php
index 7963e87..62ac59a 100644
--- a/core/modules/node/tests/src/Functional/NodeAccessGrantsCacheContextTest.php
+++ b/core/modules/node/tests/src/Functional/NodeAccessGrantsCacheContextTest.php
@@ -92,7 +92,7 @@ public function testCacheContext() {
       'grant_update' => 0,
       'grant_delete' => 0,
     );
-    db_insert('node_access')->fields($record)->execute();
+    \Drupal::database()->insert('node_access')->fields($record)->execute();
 
     // Put user accessUser (uid 0) in the realm.
     \Drupal::state()->set('node_access_test.no_access_uid', 0);