diff --git a/src/nqrduck_spectrometer_limenqr/controller.py b/src/nqrduck_spectrometer_limenqr/controller.py
index 4760416..81eeae3 100644
--- a/src/nqrduck_spectrometer_limenqr/controller.py
+++ b/src/nqrduck_spectrometer_limenqr/controller.py
@@ -203,6 +203,7 @@ class LimeNQRController(BaseSpectrometerController):
                     # Apply the shift by multiplying the time domain signal
                     pulse_amplitude = (pulse_amplitude * shift_signal)
 
+                    # Normalize the pulse amplitude
                     pulse_amplitude /= np.max(pulse_amplitude)
 
                     if len(lime.pfr) == 0: