diff --git a/htdocs/ftp/index.php b/htdocs/ftp/index.php
index a5d9f8d2644..f84df10a61d 100644
--- a/htdocs/ftp/index.php
+++ b/htdocs/ftp/index.php
@@ -481,7 +481,7 @@ else
 			//var_dump($contents);
 			//var_dump($buff);
 
-			$nboflines=sizeof($contents);
+			$nboflines=count($contents);
 			$var=true;
 			$rawlisthasfailed=false;
 			$i=0;
@@ -629,11 +629,11 @@ llxFooter();
 /**
  * Connect to FTP server
  *
- * @param 	$ftp_server
- * @param 	$ftp_port
- * @param 	$ftp_user
- * @param 	$ftp_password
- * @param 	$section
+ * @param 	string	$ftp_server		Server name
+ * @param 	string	$ftp_port		Server port
+ * @param 	string	$ftp_user		FTP user
+ * @param 	string	$ftp_password	FTP password
+ * @param 	string	$section		Directory
  * @return	int 	<0 if OK, >0 if KO
  */
 function dol_ftp_connect($ftp_server, $ftp_port, $ftp_user, $ftp_password, $section)
@@ -686,9 +686,9 @@ function dol_ftp_connect($ftp_server, $ftp_port, $ftp_user, $ftp_password, $sect
 /**
  * Tell if an entry is a FTP directory
  *
- * @param 		$connect_id
- * @param 		$dir
- * @return
+ * @param 		resource	$connect_id		Connection handler
+ * @param 		string		$dir			Directory
+ * @return		int			1=directory, 0=not a directory
  */
 function ftp_isdir($connect_id,$dir)
 {
diff --git a/htdocs/ftp/pre.inc.php b/htdocs/ftp/pre.inc.php
index 5a04887d918..84c9f1326dc 100644
--- a/htdocs/ftp/pre.inc.php
+++ b/htdocs/ftp/pre.inc.php
@@ -25,6 +25,15 @@ require ("../main.inc.php");
 
 $user->getrights('ecm');
 
+/**
+ * Replace the default llxHeader function
+ *
+ * @param 	string $head		Optionnal head lines
+ * @param 	string $title		HTML title
+ * @param 	string $help_url	Link to online url help
+ * @param 	string $morehtml	More content into html header
+ * @return	none
+ */
 function llxHeader($head = '', $title='', $help_url='', $morehtml='')
 {
 	global $conf,$langs,$user;