* lisp/files.el (directory-files-recursively): Fix doc string.
PREDICATE can be either nil (which means that all subdirectories
are descended into), t (which means that subdirectories that
can't be read are ignored), or a function (which is called with
-name name of the subdirectory and should return non-nil if the
+the name of the subdirectory and should return non-nil if the
subdirectory is to be descended into).
If FOLLOW-SYMLINKS, symbolic links that point to directories are