diff --git a/fast-servo/pyfastservo/loopback.py b/fast-servo/pyfastservo/loopback.py
index 52b14b7..6edfb1d 100644
--- a/fast-servo/pyfastservo/loopback.py
+++ b/fast-servo/pyfastservo/loopback.py
@@ -51,7 +51,7 @@ def perform_loopback_test(test_value):
         else:
             print(f"Loopback test for Channel {channel} FAILED!")
             print(f"Expected: {test_value}, ADC: {adc_value}, DAC: {dac_value}")
-
+#
 def main():
     test_value = 0x0FFF  # Mid-range value (4095 in decimal)
     perform_loopback_test(test_value)