diff --git a/Ohmpy.py b/Ohmpy.py
index 63918284151682d829c49194c7110d33f2894205..825781bab338ab71cc1da43210ebc45373a70521 100644
--- a/Ohmpy.py
+++ b/Ohmpy.py
@@ -107,9 +107,9 @@ def run_measurement(nb_stack, injection_deltat, Rref, coefp0, coefp1, coefp2, co
     # resistance measurement
     for n in range(0,3+2*nb_stack-1) :        
         if (n % 2) == 0:
-            GPIO.output(7, GPIO.HIGH) # polarité n°1        
+            GPIO.output(7, GPIO.HIGH) # polarity n°1        
         else:
-            GPIO.output(7, GPIO.LOW) # polarité n°1 également ?        
+            GPIO.output(7, GPIO.LOW) # polarity n°2        
         GPIO.output(8, GPIO.HIGH) # current injection
         time.sleep(injection_deltat) # delay depending on current injection duration
         Ia1 = AnalogIn(ads,ADS.P0).voltage * coefp0 # reading current value on ADS channel A0