diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 170fc121c7..7ebae8b155 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -7036,7 +7036,7 @@ function wp_direct_php_update_button() {
  * @param string $directory Full path of a directory.
  * @param int    $max_execution_time Maximum time to run before giving up. In seconds.
  *                                   The timeout is global and is measured from the moment WordPress started to load.
- * @return int|false|null Size in MB if a valid directory. False if not. Null if timeout.
+ * @return int|false|null Size in bytes if a valid directory. False if not. Null if timeout.
  */
 function get_dirsize( $directory, $max_execution_time = null ) {
 	$dirsize = get_transient( 'dirsize_cache' );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 3fee1c121d..e4fc296fd6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.2-beta3-45248';
+$wp_version = '5.2-beta3-45249';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.