Fix typo

diff --git a/Filtering/Filtering.py b/Filtering/Filtering.py
index d937830..d6a8e08 100644
--- a/Filtering/Filtering.py
+++ b/Filtering/Filtering.py
@@ -192,7 +192,7 @@ class FilterBank():
         if toRemove is 0:
             return samples, []
         else:
-            return samples[:-1 * toRemove], samples[-1 * toRemove - 1:]
+            return samples[:-1 * toRemove], samples[-1 * toRemove:]

     def SetDepth(self, depth):
         """