diff --git a/client-webserver/client.py b/client-webserver/client.py
index 5ac8205a8..55e84a04b 100644
--- a/client-webserver/client.py
+++ b/client-webserver/client.py
@@ -4,6 +4,7 @@ from chocolate_protocol_pb2 import chocolatemessage
 from Crypto.Hash import SHA256
 import M2Crypto
 import urllib2, os, sys, time, random, CSR, sys
+# CSR.py here should be a symlink to ../server-ca/CSR.py
 
 def sha256(m):
     return SHA256.new(m).hexdigest()