diff --git a/README.md b/README.md
index 16c1a632f..22b3c9a0f 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ This RepRap firmware is a mashup between <a href="https://github.com/kliment/Spr
 
 Derived from Sprinter and Grbl by Erik van der Zalm.
 Sprinters lead developers are Kliment and caru.
-Grbls lead developer is Simen Svale Skogsrud.
+Grbls lead developer is Simen Svale Skogsrud. Sonney Jeon (Chamnit) improved some parts of grbl
 A fork by bkubicek for the Ultimaker was merged, and further development was aided by him.
 Some features have been added by:
 Lampmaker, Bradley Feldman, and others...
@@ -23,7 +23,7 @@ Features:
 *   Look ahead (Keep the speed high when possible. High cornering speed)
 *   Interrupt based temperature protection
 *   preliminary support for Matthew Roberts advance algorithm 
-*   For more info see: http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
+    For more info see: http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
 *   Full endstop support
 *   SD Card support
 *   SD Card folders (works in pronterface)
@@ -39,8 +39,6 @@ Features:
 *   Updated sdcardlib
 *   Heater power reporting. Useful for PID monitoring.
 
-This firmware is optimized for Ultimaker's gen6 electronics (including the Ultimaker 1.5.x daughterboard and Arduino Mega 2560).
-
 The default baudrate is 250000. This baudrate has less jitter and hence errors than the usual 115200 baud, but is less supported by drivers and host-environments.
 
 
@@ -153,13 +151,16 @@ EEPROM:
 *   M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).  
 *   M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
 
+
 Configuring and compilation:
 ============================
 
-
 Install the arduino software IDE/toolset v22
    http://www.arduino.cc/en/Main/Software
 
+For gen6 and sanguinololu the Sanguino directory in the Marlin dir needs to be copied to the arduino environment.
+  copy Marlin\sanguino <arduino home>\hardware\Sanguino
+
 Install Ultimaker's RepG 25 build
     http://software.ultimaker.com
 For SD handling and as better substitute (apart from stl manipulation) download