2 files changed, 5 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 66c0e80e23a..1469e13daa8 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2011-07-14  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+        * scroll-bar.el (set-scroll-bar-mode): Mention that
+        `scroll-bar-mode' lists the values (bug#7772).
+
         * image-mode.el (image-mode-fit-frame): Mention that it's a toggle
         command (bug#7729).
 
diff --git a/lisp/scroll-bar.el b/lisp/scroll-bar.el
index 54f2ba765b5..0c68bca4d2e 100644
--- a/lisp/scroll-bar.el
+++ b/lisp/scroll-bar.el
@@ -81,7 +81,8 @@ SIDE must be the symbol `left' or `right'."
 This is nil while loading `scroll-bar.el', and t afterward.")
 
 (defun set-scroll-bar-mode (value)
-  "Set `scroll-bar-mode' to VALUE and put the new value into effect."
+  "Set the scroll bar mode to VALUE and put the new value into effect.
+See the `scroll-bar-mode' variable for possible values to use."
   (if scroll-bar-mode
       (setq previous-scroll-bar-mode scroll-bar-mode))