From 5da4ed663a393d8f85dc89c079e2a9f1ae101e3d Mon Sep 17 00:00:00 2001
From: "Isaac I.Y. Saito" <130s@2000.jukuin.keio.ac.jp>
Date: Thu, 14 Apr 2016 16:28:50 -0700
Subject: [PATCH 1/2] [doc] add rtcat

---
 README.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b26e4a1..b21537f 100644
--- a/README.md
+++ b/README.md
@@ -31,4 +31,12 @@ Note that the trailing backslash is required.
 
 ```
 $ rosrun rtshell rtls nextage:15005/
-```
\ No newline at end of file
+```
+
+Show the ports detail of particular RT component
+--------------------------------------------------
+
+```
+rtcat -l localhost:15005/sh.rtc
+```
+(for `X`.rtc, get the list of working RTC by `rtls`.)

From f1ca1cfdcce04361581d5532b00dbb8da83199b0 Mon Sep 17 00:00:00 2001
From: "Isaac I.Y. Saito" <130s@2000.jukuin.keio.ac.jp>
Date: Thu, 14 Apr 2016 16:33:15 -0700
Subject: [PATCH 2/2] [doc] add simpler invocation for rtls

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index b21537f..6eb6021 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,12 @@ Note that the trailing backslash is required.
 $ rosrun rtshell rtls nextage:15005/
 ```
 
+Or after version XXXX (TBD), you can simply run without `rosrun rtshell`:
+
+```
+$ rtls nextage:15005/
+```
+
 Show the ports detail of particular RT component
 --------------------------------------------------