use infoedit to edit nfd config files

refs: #4038

Change-Id: I193f32f54c0b47f6e2c1803b0bc4cdda9056540a
diff --git a/INSTALL.md b/INSTALL.md
index 1792aa2..b8348ed 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -16,7 +16,7 @@
 
 else if you don't have the dependencies, the following command will install them along with Mini-NDN:
 
-    sudo ./install.sh -mrfti
+    sudo ./install.sh -emrfti
 
 else if you want to install the dependencies manually, follow the instructions below:
 
@@ -56,6 +56,13 @@
 for `Results:` two-thirds of the way down where it will indicate the percentage of dropped packets.
 Your results should show "0% dropped (2/2 received)".
 
+### Installing Infoedit
+
+Infoedit is used to edit configuration files such as NFD configuration file.
+
+To install infoedit:
+https://github.com/NDN-Routing/infoedit
+
 ### Verification
 
 You can use these steps to verify your installation: