diff --git a/Codes/FTT_autocorrelation/FFT_AutoCorrelation.py b/Codes/FTT_autocorrelation/FFT_AutoCorrelation.py
index ed15c85386154c6d9fff856fc70fd6622ea02b90..b2973927b01a5d3db58a669ce6796eda5caea916 100644
--- a/Codes/FTT_autocorrelation/FFT_AutoCorrelation.py
+++ b/Codes/FTT_autocorrelation/FFT_AutoCorrelation.py
@@ -35,7 +35,7 @@ class TemporalAnalyzer:
         self._setup_bandpass_filter()
         
     def _apply_filter(self, data: np.ndarray) -> np.ndarray:
-        """Zero-phase bandpass filtering"""
+        """bandpass filtering"""
         return signal.filtfilt(self.b, self.a, data)
         
     def _setup_bandpass_filter(self) -> None: