diff --git a/wp-includes/class-wp-query.php b/wp-includes/class-wp-query.php
index a52b5a484e..3fcb942aa7 100644
--- a/wp-includes/class-wp-query.php
+++ b/wp-includes/class-wp-query.php
@@ -3191,7 +3191,7 @@ class WP_Query {
 
 						return $this->posts;
 					} elseif ( 'id=>parent' === $q['fields'] ) {
-						_prime_post_parents_caches( $post_ids );
+						_prime_post_parent_id_caches( $post_ids );
 
 						/** @var int[] */
 						$post_parents = wp_cache_get_multiple( $post_ids, 'post_parent' );
diff --git a/wp-includes/post.php b/wp-includes/post.php
index 1f2c65e158..a85d8fbdb5 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -7797,7 +7797,7 @@ function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache
 }
 
 /**
- * Prime post parent caches.
+ * Prime the cache containing the parent ID of various post objects.
  *
  * @global wpdb $wpdb WordPress database abstraction object.
  *
@@ -7805,7 +7805,7 @@ function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache
  *
  * @param int[] $ids ID list.
  */
-function _prime_post_parents_caches( array $ids ) {
+function _prime_post_parent_id_caches( array $ids ) {
 	global $wpdb;
 
 	$non_cached_ids = _get_non_cached_ids( $ids, 'post_parent' );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index c60903ab70..09b51ab409 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.4-beta2-56810';
+$wp_version = '6.4-beta2-56811';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.