;;;###autoload
(defun dictionary-search (word &optional dictionary)
- "Prompt for a word WORD to search for in all dictionaries.
-Presents the selection or word at point as default input.
+ "Search for WORD in all the known dictionaries.
+Interactively, prompt for WORD, and offer the word at point as default.
-With prefix argument DICTIONARY, prompt for a dictionary and
-restrict the search to only that one."
+Optional argument DICTIONARY means restrict the search to only
+that one dictionary. Interactively, with prefix argument,
+prompt for DICTIONARY."
(interactive
(let ((dict
(if current-prefix-arg