diff --git a/README.md b/README.md
index 9b84222..1d4f474 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+# About #
+This is Library for LCD-I2C module. This module features a PCF8574 chip (for I2C communication) and a potentiometer to adjust the LED backlight. The advantage of an I2C LCD is that the wiring is very simple. You only need two data pins to control the LCD.
+for reference you can visit https://www.dfrobot.com/product-135.html
+
 # Installation #
 Create a new folder called "LiquidCrystal_I2C" under the folder named "libraries" in your Arduino sketchbook folder.
 Create the folder "libraries" in case it does not exist yet. Place all the files in the "LiquidCrystal_I2C" folder.
@@ -6,4 +10,4 @@ Create the folder "libraries" in case it does not exist yet. Place all the files
 To use the library in your own sketch, select it from *Sketch > Import Library*.
 
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-This library is based on work done by DFROBOT (www.dfrobot.com).
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+This library is based on work done by DFROBOT (www.dfrobot.com).