diff --git a/htdocs/conf/conf.php.example b/htdocs/conf/conf.php.example
index 67147a6d06b..681cecf1261 100644
--- a/htdocs/conf/conf.php.example
+++ b/htdocs/conf/conf.php.example
@@ -208,11 +208,13 @@ $dolibarr_main_authentication='dolibarr';
 // 0 = No forced redirect
 // 1 = Force redirect to https, until SCRIPT_URI start with https into response
 // 2 = Force redirect to https, until SERVER["HTTPS"] is 'on' into response
-// Warning: If you enable this parameter, your web server must be configured
-// to respond URL with https protocol. Try different values (1,2) if you 
-// experience problems.
+// 'https://my.domain.com' = Force reditect to https using this domain name. 
+// Warning: If you enable this parameter, your web server must be configured to
+// respond URL with https protocol. 
+// According to your web server setup, some values may works and other not. Try 
+// different values (1,2 or 'http://my.domain.com') if you experience problems.
 // Default value: 0
-// Possible values: 0, 1 or 2
+// Possible values: 0, 1, 2 or 'http://my.domain.com'
 // Examples:
 // $dolibarr_main_force_https='0';
 //