diff --git a/README b/README
index 8c69d7d..a89cf64 100644
--- a/README
+++ b/README
@@ -59,12 +59,11 @@ last but not least, have fun with a debugging session:
 # make fun
 
 now ppm files have debugging pixels and show raw data like this:
-http://aam.mathematik.uni-freiburg.de/IAM/homepages/ainan/robot36_raw_image.png
+https://sites.google.com/site/xdsopl/home/robot36_raw_image.png
 
 you can look at the signal analysis using gnuplot:
 # gnuplot
 gnuplot> load "8000.gnu"
 
 this should give you an output like this:
-http://aam.mathematik.uni-freiburg.de/IAM/homepages/ainan/robot36_signal_analysis.png
-
+https://sites.google.com/site/xdsopl/home/robot36_signal_analysis.png