Index: class-wp-upgrader.php
===================================================================
--- class-wp-upgrader.php	(revision 51814)
+++ class-wp-upgrader.php	(working copy)
@@ -650,8 +650,8 @@
 	 *                                               Default empty.
 	 *     @type bool   $clear_destination           Whether to delete any files already in the
 	 *                                               destination folder. Default false.
-	 *     @type bool   $clear_working               Whether to delete the files form the working
-	 *                                               directory after copying to the destination.
+	 *     @type bool   $clear_working               Whether to delete the files from the working
+	 *                                               directory after copying them to the destination.
 	 *                                               Default false.
 	 *     @type bool   $abort_if_destination_exists Whether to abort the installation if the destination
 	 *                                               folder already exists. When true, `$clear_destination`