Minor README improvements; fix outdated URLs
Change-Id: Ia57f83892471ad85a2301ba4c8ab3df144581000
diff --git a/tools/peek/README.md b/tools/peek/README.md
index 79e9832..02e6fb1 100644
--- a/tools/peek/README.md
+++ b/tools/peek/README.md
@@ -8,7 +8,7 @@
Usage example:
1. start NFD
-2. execute `echo 'HELLO WORLD' | ndnpoke /localhost/demo/hello`
-3. in another terminal, execute `ndnpeek -p /localhost/demo/hello`
+2. run `echo 'HELLO WORLD' | ndnpoke /localhost/demo/hello`
+3. in another terminal, run `ndnpeek -p /localhost/demo/hello`
-For more information, consult the manpages of these programs.
+For more information on these programs, consult their respective manpages.