diff --git a/docs/fft.py b/docs/fft.py
index 6f2a9aa..62d0906 100644
--- a/docs/fft.py
+++ b/docs/fft.py
@@ -41,4 +41,4 @@ def real_sound_weave(freqHz):
 
   plot(Fe, N, x, y)
 
-real_sound_weave(4000)
\ No newline at end of file
+real_sound_weave(4500)
\ No newline at end of file