Added NextHopFaceId to client

refs #1942

Change-Id: Id0d64d89bb8a596f88ef252cc89eb2d0c0e60594
diff --git a/ndn-traffic-client.conf.sample b/ndn-traffic-client.conf.sample
index 0fa0528..6ceed63 100644
--- a/ndn-traffic-client.conf.sample
+++ b/ndn-traffic-client.conf.sample
@@ -14,7 +14,7 @@
 # * PLEASE ENSURE THAT THE SUM OF TRAFFIC PERCENTAGE FOR ALL PATTERNS
 #   PROVIDED DOES NOT EXCEED 100 IN ORDER TO MAINTAIN CORRECT BEHAVIOR
 # * NNI STANDS FOR NON-NEGATIVE INTEGER
-# * RANGE OF POSSIBLE VALUES IS SPECIFIED IN [] 
+# * RANGE OF POSSIBLE VALUES IS SPECIFIED IN []
 #
 #
 #(Mandatory)
@@ -34,6 +34,7 @@
 #MustBeFresh=NNI [0-1]
 #NonceDuplicationPercentage=NNI [0-100]
 #InterestLifetime=NNI [Milliseconds]
+#NextHopFaceId=NNI
 #ExpectedContent=String
 #
 #