diff --git a/README.md b/README.md
index e426833..3dda27e 100644
--- a/README.md
+++ b/README.md
@@ -1,24 +1,6 @@
 # Tarangam
 
-It is a simple application to see log from serialports and plot on graph.
-
-## Rules of text to Draw on graph 
-1. Each line in the text should start with #
-2. you can write as foo=value or just values with space
-
-#### Example
-
-``` #s=1 b=2 ```
-
-```#1 5 4```
-
-## Status of Serial port
-|State     |Meaning                      |
-|----------|-----------------------------|
-|JAGRIT    |Mode of Active               |
-|SAYAN     |Mode of Sleeping             |
-|AVRODTIH  |Mode of being stopped        |
-|PARIVARTIT|Mode of being values modified|
+It is a simple application to see log from [serialports](https://wiki.osdev.org/Serial_Ports) and plot information on graph. You can use it with IOT boards([ardino](https://www.arduino.cc/), [esp boards](https://www.espressif.com/),...) in you DIY projects. It gives to many basic controls to control graph.
 
 ## Interface
 ![1](screenshots/1.png)
@@ -37,7 +19,7 @@ It is a simple application to see log from serialports and plot on graph.
 4. Baarik Box, show small boxes which make it look like graph paper
 5. Pankti is number of values to show in y axis
 
-### Second ToolBar (left panel)
+### Second ToolBar (right panel)
 1. Clear Log
 2. Show full log which include points to draw on graph
 
@@ -46,13 +28,39 @@ It is a simple application to see log from serialports and plot on graph.
 2. Stambh1 is lower point on y
 3. Stambh2 is higher point on y
 
-### Bottom ToolBar (left panel)
-1. Send Text
+### Bottom ToolBar (right panel)
+1. Send Text (You can press enter to send text)
+2. Send Button
 
 ![2](screenshots/2.png)
 
 ![3](screenshots/3.png)
 
+## Instruction to connect your IOT board
+1. Connect the IOT board through USB
+2. Click Refresh button in Top Most ToolBar
+3. Select your Port and baudrate
+4. Press Start button
+
+## Status of Serial port
+|State     |Meaning                      |
+|----------|-----------------------------|
+|JAGRIT    |Mode of Active               |
+|SAYAN     |Mode of Sleeping             |
+|AVRODTIH  |Mode of being stopped        |
+|PARIVARTIT|Mode of being values modified|
+
+## Rules of text to Draw on graph
+1. Each line in the text should start with #
+2. You can write as foo=value or just values with space
+
+#### Example
+
+``` #s=1 b=2 ```
+
+```#1 5 4```
+
+
 # LICENSE
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
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