diff --git a/slapprepare/CHANGES.txt b/slapprepare/CHANGES.txt
index 520752c6cffd8734147d7c3ffdb2e2079ce0a2d4..7132bbf2f8ec568802b15094198c390489eb9bc2 100644
--- a/slapprepare/CHANGES.txt
+++ b/slapprepare/CHANGES.txt
@@ -8,6 +8,9 @@ Changes
    allows to run many instances of apache/mysql/zope on the same machine.
  * Mount /var/log on disk in order not to touch USB key.
  * When running slapupdate, will update slapprepare as well.
+ * update crontab so that it calls slapupdate randomly. It means: not all
+   nodes in the same timezone will try to update at the same time (thus not
+   kill cache system).
 
 1.0a5 (2013-01-07)
 ------------------