diff --git a/includes/config.template.php b/includes/config.template.php
index 4178ee2..9bea70f 100644
--- a/includes/config.template.php
+++ b/includes/config.template.php
@@ -1,6 +1,11 @@
 <?php
 //This is the configuration file for Uguu Temp File Sharing system
 define("CONFIG_ROOT_URL", "http://path.to.uguu");
+//Enable this if you use a subdomain for serving uploaded files
+define("CONFIG_SUBUPLOAD_URL_ENABLED", "false");
+//Only define this if the above is set to true
+define("CONFIG_SUBUPLOAD_URL", "http://a.uguu.se");
+//Path to uploaded files
 define("CONFIG_FILES_PATH", "/path/to/uguu/public/files/");
 define("CONFIG_ROOT_PATH", "/path/to/uguu/");
 define("CONFIG_MAX_RETENTION_TIME", "60"); //Max retention time in minutes