diff --git a/private/appconfig.ini.example b/private/appconfig.ini.example
index 830ef106..3f808697 100755
--- a/private/appconfig.ini.example
+++ b/private/appconfig.ini.example
@@ -27,6 +27,8 @@ separator =
 
 [paypal]
 url        = https://www.sandbox.paypal.com
+; If set to "/var/tmp" e.g, the raw data received from Paypal will be dumped here.
+save_to_tmp_file_dir =
 
 [general]