Dired does not remember the @code{R} switch. Inserting a subdirectory
with switches that include the @code{R} switch is equivalent with
inserting each of its subdirectories using all remaining switches.
-For instance, updating or deleting a subdirectory that was inserted
-with the @code{R} switch will not update or delete its subdirectories.
+For instance, updating or killing a subdirectory that was inserted
+with the @code{R} switch will not update or kill its subdirectories.
The buffer's default switches do not affect subdirectories that were
inserted using explicitly specified switches. In particular,