diff --git a/ndn-traffic-server.conf.sample b/ndn-traffic-server.conf.sample
index ab95676..852a0f9 100644
--- a/ndn-traffic-server.conf.sample
+++ b/ndn-traffic-server.conf.sample
@@ -24,6 +24,7 @@
 #FreshnessPeriod=NNI [Milliseconds]
 #ContentBytes=NNI [>0]
 #Content=String
+#ContentDelay=NNI [Milliseconds]
 #
 #
 ##########