diff --git a/htdocs/conf/conf.php.example b/htdocs/conf/conf.php.example
index 990a10c2500..32adc4b87c9 100644
--- a/htdocs/conf/conf.php.example
+++ b/htdocs/conf/conf.php.example
@@ -12,8 +12,8 @@
 //###################
 
 // dolibarr_main_url_root
-// This parameter defines the root URL of your Dolibarr index.php page.
-// It must link to the htdocs directory htdocs.
+// This parameter defines the root URL of your Dolibarr index.php page without ending "/".
+// It must link to the directory htdocs.
 // In most cases, this is autodetected but it's still required 
 // * to show full url bookmarks for some services (ie: agenda rss export url, ...)
 // * or when using Apache dir aliases (autodetect fails)
diff --git a/htdocs/filefunc.inc.php b/htdocs/filefunc.inc.php
index c30388050cf..6f8a2bb9b2c 100644
--- a/htdocs/filefunc.inc.php
+++ b/htdocs/filefunc.inc.php
@@ -92,7 +92,7 @@ if (! empty($dolibarr_main_prod)) ini_set('display_errors','Off');
 
 // Clean parameters
 $dolibarr_main_data_root=trim($dolibarr_main_data_root);
-$dolibarr_main_url_root=trim($dolibarr_main_url_root);
+$dolibarr_main_url_root=trim(preg_replace('/\/+$/','',$dolibarr_main_url_root));
 $dolibarr_main_url_root_alt=(empty($dolibarr_main_url_root_alt)?'':trim($dolibarr_main_url_root_alt));
 $dolibarr_main_document_root=trim($dolibarr_main_document_root);
 $dolibarr_main_document_root_alt=(empty($dolibarr_main_document_root_alt)?'':trim($dolibarr_main_document_root_alt));