diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index b8e2b3bb5b4..540c49a18ad 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2011-08-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+	* emacs-lisp/cl-macs.el (dolist): Mention that there's a nil block
+	(bug#4433).
+
 	* ido.el (ido-mode): Switch off the message if called
 	non-interactively.
 
diff --git a/lisp/emacs-lisp/cl-macs.el b/lisp/emacs-lisp/cl-macs.el
index d6b4643d6a4..6d242eda3ab 100644
--- a/lisp/emacs-lisp/cl-macs.el
+++ b/lisp/emacs-lisp/cl-macs.el
@@ -1233,6 +1233,7 @@ Valid clauses are:
   "Loop over a list.
 Evaluate BODY with VAR bound to each `car' from LIST, in turn.
 Then evaluate RESULT to get return value, default nil.
+An implicit nil block is established around the loop.
 
 \(fn (VAR LIST [RESULT]) BODY...)"
   (let ((temp (make-symbol "--cl-dolist-temp--")))