diff --git a/wp-includes/post.php b/wp-includes/post.php
index 7ceff7b693..10dddf859b 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -2591,7 +2591,9 @@ function unregister_post_meta( $post_type, $meta_key ) {
  * @since 1.2.0
  *
  * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`.
- * @return array Post meta for the given post.
+ * @return mixed An array of values.
+ *               False for an invalid `$post_id` (non-numeric, zero, or negative value).
+ *               An empty string if a valid but non-existing post ID is passed.
  */
 function get_post_custom( $post_id = 0 ) {
 	$post_id = absint( $post_id );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 00cd005511..8beec4dd60 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-52794';
+$wp_version = '6.0-alpha-52795';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.