(defun ispell ()
"Interactively check a region or buffer for spelling errors.
If `transient-mark-mode' is on, and a region is active, spell-check
-that region. Otherwise spell-check the buffer."
+that region. Otherwise spell-check the buffer.
+
+Ispell dictionaries are not distributed with Emacs. If you are
+looking for a dictionary, please see the distribution of the GNU ispell
+program, or do an Internet search; there are various dictionaries
+available on the net."
(interactive)
(if (and transient-mark-mode mark-active)
(ispell-region (region-beginning) (region-end))