(describe-key): Doc fix.

diff --git a/lisp/help.el b/lisp/help.el
index a0308b74b5ddcddea796bee78a329c5e33a574ff..d4b5ceacb4df345bdfbf1e3249c3ff25c22fd970 100644 (file)
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -461,7 +461,9 @@ If INSERT (the prefix arg) is non-nil, insert the message in the buffer."
 
 
 (defun describe-key (key)
-  "Display documentation of the function invoked by KEY.  KEY is a string."
+  "Display documentation of the function invoked by KEY.
+KEY should be a key sequence--when calling from a program,
+pass a string or a vector."
   (interactive "kDescribe key: ")
   (save-excursion
     (let ((modifiers (event-modifiers (aref key 0)))