diff --git a/doc/ChangeLog b/doc/ChangeLog
index bb93ecc6d..321617239 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-05  Carsten Dominik  <carsten.dominik@gmail.com>
+
+	* org.texi (Clocking work time): Decoment how to make the clock
+	persist from one Emacs session to the next.
+
 2009-01-30  Carsten Dominik  <carsten.dominik@gmail.com>
 
 	* org.texi (TODO dependencies): Document TODO dependencies on
diff --git a/doc/org.texi b/doc/org.texi
index eb0442836..f4cbeb92c 100644
--- a/doc/org.texi
+++ b/doc/org.texi
@@ -4980,6 +4980,14 @@ When you stop working on that task, or when you mark the task done, the
 clock is stopped and the corresponding time interval is recorded.  It
 also computes the total time spent on each subtree of a project.
 
+Normally, the clock does not survive xiting and re-entereing Emacs, but you
+can arrange for the clock information to persisst accress Emacs sessions with
+
+@lisp
+(setq org-clock-persist t)
+(org-clock-persistence-insinuate)
+@end lisp
+
 @table @kbd
 @kindex C-c C-x C-i
 @item C-c C-x C-i