diff --git a/EggDuino.ino b/EggDuino.ino
index 5d9b33d..34e3b03 100644
--- a/EggDuino.ino
+++ b/EggDuino.ino
@@ -23,7 +23,7 @@ Thanks to my wife and my daughter for their patience. :-)
 #include <Servo.h>
 #include "SerialCommand.h" //nice lib from Stefan Rado, https://github.com/kroimon/Arduino-SerialCommand
 
-#define initSting "EBB 2.1.0+ Protocol emulated by Eggduino-Firmware V1.0"
+#define initSting "EBB 2.1.0+ Protocol emulated by Eggduino-Firmware V1.1"
 //Rotational Stepper
   #define step1 11
   #define dir1 10
diff --git a/Functions.ino b/Functions.ino
index 8ec3e4a..308d3d1 100644
--- a/Functions.ino
+++ b/Functions.ino
@@ -93,8 +93,8 @@ void stepperMove(){
         //Move-Code:
            digitalWrite(enableRotMotor, LOW) ;
            digitalWrite(enablePenMotor, LOW) ;
-		   long rotSteps = ((float) (rotMicrostep/rotStepMode)) * rotStepsEBB; //transform to local coordiantes
-		   long penSteps = ((float) (penMicrostep/penStepMode)) * penStepsEBB; //transform to local coordiantes
+		   long rotSteps = round( ((float) (rotMicrostep/rotStepMode)) * rotStepsEBB ); //transform to local coordiantes
+		   long penSteps = round( ((float) (penMicrostep/penStepMode)) * penStepsEBB ); //transform to local coordiantes
 		   float rotSpeed = (float) ( ((long) rotSteps * (long)1000) / (long) duration ) ;
 		   float penSpeed = (float) ( ((long) penSteps * (long)1000) / (long) duration ) ;
            rotMotor.move(rotSteps);
diff --git a/VersionHistory.txt b/VersionHistory.txt
new file mode 100644
index 0000000..4ebba2f
--- /dev/null
+++ b/VersionHistory.txt
@@ -0,0 +1,5 @@
+22.04.2014 V1.1
+bugfix Command SM - fixed rounding error in pen and rot-axis
+
+17.04.2014	V1.0
+initial release
\ No newline at end of file