diff --git a/ffnord-con-2015-2/room/README.txt b/ffnord-con-2015-2/room/README.txt
index df38ef1..3bd0ec2 100644
--- a/ffnord-con-2015-2/room/README.txt
+++ b/ffnord-con-2015-2/room/README.txt
@@ -4,9 +4,11 @@ This is almost the code that ran at 30c3. I had to remove the font used
 as the font used at 30c3 cannot be redistributed. The replacement font
 is "Roboto light". See http://www.fontsquirrel.com/license/roboto
 
-Installation:
+Installation auf dem Raspberrypi:
     
-    Nothing to do
+    sudo easy_install-pypy pytz 
+    sudo unzip /usr/lib/pypy-upstream/site-packages/pytz-2015.4-py2.7.egg
+    (oder entesprechende pytz-Version, die installiert wurde)
 
 Usage: