diff --git a/Deplacement-robot/stepperspeed/stepperspeed.ino b/Deplacement-robot/stepperspeed/stepperspeed.ino
index 32a6145..36a6bab 100644
--- a/Deplacement-robot/stepperspeed/stepperspeed.ino
+++ b/Deplacement-robot/stepperspeed/stepperspeed.ino
@@ -42,10 +42,10 @@ void setup()
     //setting up some default values for maximum speed and maximum acceleration
     Serial.println("Default speed: 400 steps/s, default acceleration: 800 steps/s^2.");
     stepper.setMaxSpeed(100000); //SPEED = Steps / second
-    stepper.setAcceleration(80à00); //ACCELERATION = Steps /(second)^2
+    stepper.setAcceleration(80000); //ACCELERATION = Steps /(second)^2
     stepper.disableOutputs(); //disable outputs
     stepper2.setMaxSpeed(100000); //SPEED = Steps / second
-    stepper2.setAcceleration(8à000); //ACCELERATION = Steps /(second)^2
+    stepper2.setAcceleration(80000); //ACCELERATION = Steps /(second)^2
     stepper2.disableOutputs(); //disable outputs
 }
  
@@ -278,7 +278,7 @@ void checkSerial() //function for receiving the commands
  
                 PrintCommands2(); //Print the commands for controlling the motor
                 break;
-            case '1': //P uses the move() function of the AccelStepper library, which means that it moves relatively to the current position.              
+            case '1': //avancer              
             
             receivedSteps = Serial.parseFloat(); //value for the steps
             receivedSpeed = Serial.parseFloat(); //value for the speed
@@ -292,7 +292,7 @@ void checkSerial() //function for receiving the commands
             //example: P2000 400 - 2000 steps (5 revolution with 400 step/rev microstepping) and 400 steps/s speed
             //In theory, this movement should take 5 seconds
             break; 
-            case '2': //P uses the move() function of the AccelStepper library, which means that it moves relatively to the current position.              
+            case '2': //reculer             
             
             receivedSteps = Serial.parseFloat(); //value for the steps
             receivedSpeed = Serial.parseFloat(); //value for the speed
@@ -306,7 +306,7 @@ void checkSerial() //function for receiving the commands
             //example: P2000 400 - 2000 steps (5 revolution with 400 step/rev microstepping) and 400 steps/s speed
             //In theory, this movement should take 5 seconds
             break; 
-            case '3': //P uses the move() function of the AccelStepper library, which means that it moves relatively to the current position.              
+            case '3': //a gauche              
             
             receivedSteps = Serial.parseFloat(); //value for the steps
             receivedSpeed = Serial.parseFloat(); //value for the speed
@@ -320,7 +320,7 @@ void checkSerial() //function for receiving the commands
             //example: P2000 400 - 2000 steps (5 revolution with 400 step/rev microstepping) and 400 steps/s speed
             //In theory, this movement should take 5 seconds
             break;
-            case '4': //P uses the move() function of the AccelStepper library, which means that it moves relatively to the current position.              
+            case '4': //a droite.              
             
             receivedSteps = Serial.parseFloat(); //value for the steps
             receivedSpeed = Serial.parseFloat(); //value for the speed