diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index dd8f21f..40a8725 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -279,7 +279,7 @@
 
 ::
 
-    LOGDAYS=1
+    LOGDAYS=2
 
 Some coloring is used during the DevStack runs to make it easier to
 see what is going on. This can be disabled with::