* lisp/textmodes/picture.el (picture-mode-exit): Doc fix. (Bug#29949)

1 files changed, 3 insertions, 2 deletions

diff --git a/lisp/textmodes/picture.el b/lisp/textmodes/picture.el
index f5a6a254a0d..6836fd09a07 100644
--- a/lisp/textmodes/picture.el
+++ b/lisp/textmodes/picture.el
@@ -789,8 +789,9 @@ they are not by default assigned to keys."
 
 (defun picture-mode-exit (&optional nostrip)
   "Undo `picture-mode' and return to previous major mode.
-With no argument, strip whitespace from end of every line in Picture buffer;
-  otherwise, just return to previous mode.
+With NOSTRIP omitted or nil, strip whitespace from end of every line
+  in Picture buffer; otherwise, just return to previous mode.
+Interactively, NOSTRIP is the prefix argument, and defaults to nil.
 Runs `picture-mode-exit-hook' at the end."
   (interactive "P")
   (if (not (eq major-mode 'picture-mode))