From 45ff033d048deeecc01f840b7cc050d57901f2f3 Mon Sep 17 00:00:00 2001
From: David Rotermund <54365609+davrot@users.noreply.github.com>
Date: Thu, 16 Nov 2023 18:39:38 +0100
Subject: [PATCH] Update README.md

Signed-off-by: David Rotermund <54365609+davrot@users.noreply.github.com>
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 4633170..9e56d33 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,6 @@
 
 ## Programming Basics: Python Data analysis and more
 [Numpy: rfft and spectral power](numpy_fft_1/README.md)
-
+[scipy.signal -- Butterworth low, high and band-pass](scipy.signal_butterworth/README.md)
 
 Note: I will transfer https://www.neurotec.uni-bremen.de/drupal/teaching to this new place (and update it).