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

refs #2525

Change-Id: I4c137dc838f399bab3dc1dc4128ea4e39d003b13
diff --git a/docs/INSTALL.rst b/docs/INSTALL.rst
index 079fb03..d67a190 100644
--- a/docs/INSTALL.rst
+++ b/docs/INSTALL.rst
@@ -376,8 +376,7 @@
 
 Real applications and libraries:
 
-   + `ndn-tlv-ping - Reachability Testing Tool 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>`_
    + `repo-ng - Next generation of NDN repository <https://github.com/named-data/repo-ng>`_