diff --git a/arduino/sketchdistanceSerial.ino b/arduino/sketchdistanceSerial.ino
index 6fa38c4..a40adb7 100644
--- a/arduino/sketchdistanceSerial.ino
+++ b/arduino/sketchdistanceSerial.ino
@@ -1,5 +1,5 @@
 #include "Ultrasonic.h"
-Ultrasonic ultrasonic(8,9); // Trig et Echo
+Ultrasonic capteur(8,9); // Trig et Echo
  
 void setup() {
   Serial.begin(9600);
@@ -8,9 +8,9 @@ void setup() {
 }
 
 void loop () {
-  int dist = ultrasonic.Ranging(CM);
+  int dist = capteur.Ranging(CM);
   Serial.print(dist);
   Serial.println(" cm");
 
-  delay(100);
+  delay(100); // 100 ms
 }