docs: ndn-tlv-ping => ndn-tools in README

refs #2525

Change-Id: I1042959c7989464bbab71e7525ac1584d855a283
diff --git a/README.md b/README.md
index 365736a..1fef578 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 * [repo-ng - Next generation of NDN repository](https://github.com/named-data/repo-ng)
 * [ChronoChat - Multi-user NDN chat application](https://github.com/named-data/ChronoChat)
 * [ChronoSync - Sync library for multiuser realtime applications for NDN](https://github.com/named-data/ChronoSync)
-* [ndn-tlv-ping - Ping Application For NDN](https://github.com/named-data/ndn-tlv-ping)
+* [ndn-tools - NDN Essential Tools](https://github.com/named-data/ndn-tools)
 * [ndn-traffic-generator - Traffic Generator For NDN](https://github.com/named-data/ndn-traffic-generator)
 
 See the file [`docs/INSTALL.rst`](https://github.com/cawka/ndn-cxx/blob/master/docs/INSTALL.rst)
diff --git a/docs/README.rst b/docs/README.rst
index 2f137a4..c1e0bba 100644
--- a/docs/README.rst
+++ b/docs/README.rst
@@ -14,8 +14,7 @@
    application <https://github.com/named-data/ChronoChat>`__
 -  `ChronoSync - Sync library for multiuser realtime applications for
    NDN <https://github.com/named-data/ChronoSync>`__
--  `ndn-tlv-ping - Ping Application For
-   NDN <https://github.com/named-data/ndn-tlv-ping>`__
+-  `ndn-tools - NDN Essential Tools <https://github.com/named-data/ndn-tools>`__
 -  `ndn-traffic-generator - Traffic Generator For
    NDN <https://github.com/named-data/ndn-traffic-generator>`__