diff --git a/test_nfdc/README.md b/test_nfdc/README.md
index 25f3d89..c297597 100644
--- a/test_nfdc/README.md
+++ b/test_nfdc/README.md
@@ -38,7 +38,7 @@
 13. Invoke nfdc to add a nexthop for ndn:/test-nfdc with cost 16 toward FaceId created in step 9.
 14. Execute nfd-status. Check the existence of ndn:/test-nfdc FIB entry, and the correctness of cost on nexthop records.
 15. Invoke nfdc to choose BroadcastStrategy for ndn:/ namespace.
-16. Invoke ndn-tlv-ping to send 100 Interests under ndn:/test-nfdc prefix.
+16. Invoke ndnping to send 100 Interests under ndn:/test-nfdc prefix.
 17. Pause 50ms before sending each Interest.
 18. Execute nfd-status. Verify NOutInterests counters of faces created in step 3,5,7,9 are greater than 60.
 19. On host B, execute nfd-status. Check the existence of tcp4, tcp6, udp4, udp6 faces with host A's address. Verify NInInterests counters for those faces are greater than 60.
diff --git a/test_nfdc/nfdc-test.sh b/test_nfdc/nfdc-test.sh
index 9c49198..862115c 100755
--- a/test_nfdc/nfdc-test.sh
+++ b/test_nfdc/nfdc-test.sh
@@ -89,7 +89,7 @@
   # Invoke nfdc to choose BroadcastStrategy for ndn:/ namespace.
   nfdc set-strategy ndn:/ ndn:/localhost/nfd/strategy/broadcast
 
-  ndnping ndn:/test-nfdc -c $NUM_OF_PINGS
+  ndnping -c $NUM_OF_PINGS ndn:/test-nfdc
 
   check_nfd_status_counters $faceIdTcp4 tcp4://$IP4_B1 out $NUM_OF_PINGS
   check_nfd_status_counters $faceIdTcp6 tcp6://[$IP6_B1] out $NUM_OF_PINGS