diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 0e5600e7b2..fbe1219866 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -4125,8 +4125,10 @@ function _cleanup_header_comment( $str ) {
 }
 
 /**
- * Permanently delete posts, pages, attachments, and comments which have been
- * in the trash for EMPTY_TRASH_DAYS.
+ * Permanently delete comments or posts of any type that have held a status
+ * of 'trash' for the number of days defined in EMPTY_TRASH_DAYS.
+ *
+ * The default value of `EMPTY_TRASH_DAYS` is 30 (days).
  *
  * @since 2.9.0
  */
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 1a05317731..ba47880f0f 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-beta2-31890';
+$wp_version = '4.2-beta2-31891';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.