diff --git a/PythonWrapper/README.md b/PythonWrapper/README.md
index 26791715..34beb822 100644
--- a/PythonWrapper/README.md
+++ b/PythonWrapper/README.md
@@ -193,7 +193,7 @@ In a real C code, a pointer to a data structure for the result v would have to b
 
 This example depends on a data file which can be downloaded here:
 
-https://www.physionet.org/pn3/ecgiddb/Person_87/rec_2.dat
+https://archive.physionet.org/pn3/ecgiddb/Person_87/rec_2.dat
 
 This signal was created for a master thesis:
 
@@ -203,6 +203,8 @@ and it is part of the PhysioNet database
 
 Goldberger AL, Amaral LAN, Glass L, Hausdorff JM, Ivanov PCh, Mark RG, Mietus JE, Moody GB, Peng C-K, Stanley HE. PhysioBank, PhysioToolkit, and PhysioNet: Components of a New Research Resource for Complex Physiologic Signals. Circulation 101(23):e215-e220 [Circulation Electronic Pages; http://circ.ahajournals.org/cgi/content/full/101/23/e215]; 2000 (June 13). 
 
+Note that the example file
+
 
 # LIMITATIONS
 
diff --git a/PythonWrapper/example.py b/PythonWrapper/example.py
index caa6db40..aff3d6e3 100644
--- a/PythonWrapper/example.py
+++ b/PythonWrapper/example.py
@@ -2,7 +2,7 @@ import cmsisdsp as dsp
 import numpy as np
 from scipy import signal
 from pylab import figure, clf, plot, xlabel, ylabel, xlim, ylim, title, grid, axes, show,semilogx, semilogy
-# Data file from https://physionet.org/content/ecgiddb/1.0.0/Person_87/rec_2.dat
+# Data file from https://archive.physionet.org/pn3/ecgiddb/Person_87/rec_2.dat
 
 def q31sat(x):
      if x > 0x7FFFFFFF: