diff --git a/src/wp-includes/wp-db.php b/src/wp-includes/wp-db.php
index 2f8dbcf969..868ff385ae 100644
--- a/src/wp-includes/wp-db.php
+++ b/src/wp-includes/wp-db.php
@@ -1258,8 +1258,8 @@ class wpdb {
 	 *
 	 * Both %d and %s should be left unquoted in the query string.
 	 *
-	 *     wpdb::prepare( "SELECT * FROM `table` WHERE `column` = %s AND `field` = %d", 'foo', 1337 )
-	 *     wpdb::prepare( "SELECT DATE_FORMAT(`field`, '%%c') FROM `table` WHERE `column` = %s", 'foo' );
+	 *     $wpdb->prepare( "SELECT * FROM `table` WHERE `column` = %s AND `field` = %d", 'foo', 1337 );
+	 *     $wpdb->prepare( "SELECT DATE_FORMAT(`field`, '%%c') FROM `table` WHERE `column` = %s", 'foo' );
 	 *
 	 * @link https://secure.php.net/sprintf Description of syntax.
 	 * @since 2.3.0