diff --git a/doc/bird.conf.example b/doc/bird.conf.example
index 5e427992..15fd8449 100644
--- a/doc/bird.conf.example
+++ b/doc/bird.conf.example
@@ -20,9 +20,10 @@ protocol device {
 
 protocol kernel {
 #	disabled
-#	learn;			# Learn all routes from the kernel
-	scan time 10;		# Scan kernel tables every 10 seconds
-#	route scan time 20;	# But routes only every 20 seconds
+#	learn			# Learn all routes from the kernel
+	persist			# Don't remove routes on bird shutdown
+	scan time 10		# Scan kernel tables every 10 seconds
+	route scan time 20	# But routes only every 20 seconds
 }
 
 protocol static {