diff --git a/wp-admin/includes/file.php b/wp-admin/includes/file.php
index 6fa47806db..45d7715765 100644
--- a/wp-admin/includes/file.php
+++ b/wp-admin/includes/file.php
@@ -1,11 +1,14 @@
 <?php
 /**
+ * Filesystem API: Top-level functionality
+ *
  * Functions for reading, writing, modifying, and deleting files on the file system.
  * Includes functionality for theme-specific files as well as operations for uploading,
  * archiving, and rendering output when necessary.
  *
  * @package WordPress
- * @subpackage Administration
+ * @subpackage Filesystem
+ * @since 2.3.0
  */
 
 /** The descriptions for theme files. */
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e33cf555ed..d21045d131 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-35220';
+$wp_version = '4.4-alpha-35221';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.