diff --git a/docs/INSTALL.rst b/docs/INSTALL.rst
index 8d4f08b..ff2ad51 100644
--- a/docs/INSTALL.rst
+++ b/docs/INSTALL.rst
@@ -23,7 +23,7 @@
 Install NFD Using the NDN PPA Repository on Ubuntu Linux
 --------------------------------------------------------
 
-NFD binaries and related tools for Ubuntu 14.04 and 16.04 can be installed using PPA
+NFD binaries and related tools for Ubuntu 16.04 and 18.04 can be installed using PPA
 packages from named-data repository.  First, you will need to add ``named-data/ppa``
 repository to binary package sources and update list of available packages.