Document STATE parameter for org-cycle-hide-* functions

* lisp/org.el (org-cycle-hide-archived-subtrees):
(org-cycle-hide-drawers): Mention STATE parameter in docstring.

lisp/org.el

@@ -4852,7 +4852,9 @@ Otherwise, these types are allowed:
   :group 'org-sparse-trees)
 
 (defun org-cycle-hide-archived-subtrees (state)
-  "Re-hide all archived subtrees after a visibility state change."
+  "Re-hide all archived subtrees after a visibility state change.
+STATE should be one of the symbols listed in the docstring of
+`org-cycle-hook'."
   (when (and (not org-cycle-open-archived-trees)
              (not (memq state '(overview folded))))
     (save-excursion
@@ -7317,8 +7319,9 @@ open and agenda-wise Org files."
 
 (defun org-cycle-hide-drawers (state &optional exceptions)
   "Re-hide all drawers after a visibility state change.
-When non-nil, optional argument EXCEPTIONS is a list of strings
-specifying which drawers should not be hidden."
+STATE should be one of the symbols listed in the docstring of
+`org-cycle-hook'.  When non-nil, optional argument EXCEPTIONS is
+a list of strings specifying which drawers should not be hidden."
   (when (and (derived-mode-p 'org-mode)
 	     (not (memq state '(overview folded contents))))
     (save-excursion