(reb-auto-update): Fix typo in docstring.

diff --git a/lisp/emacs-lisp/re-builder.el b/lisp/emacs-lisp/re-builder.el
index 9c904e6c0bc83992a9bef8007c037bf2b761a448..83d3649006e24b4fce73fa11c12aececfb221962 100644 (file)
--- a/lisp/emacs-lisp/re-builder.el
+++ b/lisp/emacs-lisp/re-builder.el
@@ -494,7 +494,7 @@ If SUBEXP is non-nil mark only the corresponding sub-expressions."
 
 (defun reb-auto-update (beg end lenold &optional force)
   "Called from `after-update-functions' to update the display.
-BEG END and LENOLD are passed in from the hook.
+BEG, END and LENOLD are passed in from the hook.
 An actual update is only done if the regexp has changed or if the
 optional fourth argument FORCE is non-nil."
   (let ((prev-valid reb-valid-string)