Minor README improvements; fix outdated URLs
Change-Id: Ia57f83892471ad85a2301ba4c8ab3df144581000
diff --git a/tools/dump/README.md b/tools/dump/README.md
index cf46ab1..76e1ad1 100644
--- a/tools/dump/README.md
+++ b/tools/dump/README.md
@@ -5,9 +5,10 @@
Usage example:
-1. start NFD on local machine
-2. create an IPv4 UDP tunnel to a remote machine
-3. cause some traffic going on the tunnel
-4. execute `sudo ndndump`
+1. start NFD on the local machine
+2. create a UDP tunnel to a remote machine
+3. run `sudo ndndump`
+4. cause some NDN traffic to be sent/received on the tunnel
+5. observe the output of `ndndump`
For more information, consult the manpage.