diff --git a/wp-includes/class-wp-query.php b/wp-includes/class-wp-query.php
index d339285506..7054cd0350 100644
--- a/wp-includes/class-wp-query.php
+++ b/wp-includes/class-wp-query.php
@@ -649,9 +649,12 @@ class WP_Query {
 	 *                                                 See WP_Date_Query::__construct().
 	 *     @type int          $day                     Day of the month. Default empty. Accepts numbers 1-31.
 	 *     @type bool         $exact                   Whether to search by exact keyword. Default false.
-	 *     @type string|array $fields                  Which fields to return. Single field or all fields (string),
-	 *                                                 or array of fields. 'id=>parent' uses 'id' and 'post_parent'.
-	 *                                                 Default all fields. Accepts 'ids', 'id=>parent'.
+	 *     @type string       $fields                  Post fields to query for. Accepts:
+	 *                                                 - '' Returns an array of complete post objects (`WP_Post[]`).
+	 *                                                 - 'ids' Returns an array of post IDs (`int[]`).
+	 *                                                 - 'id=>parent' Returns an associative array of parent post IDs,
+	 *                                                   keyed by post ID (`int[]`).
+	 *                                                 Default ''.
 	 *     @type int          $hour                    Hour of the day. Default empty. Accepts numbers 0-23.
 	 *     @type int|bool     $ignore_sticky_posts     Whether to ignore sticky posts or not. Setting this to false
 	 *                                                 excludes stickies from 'post__in'. Accepts 1|true, 0|false.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 473c57604c..dfd635b8ae 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta3-48562';
+$wp_version = '5.5-beta3-48563';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.