diff --git a/htdocs/categories/card.php b/htdocs/categories/card.php
index 5b54666b674..9f275033b01 100644
--- a/htdocs/categories/card.php
+++ b/htdocs/categories/card.php
@@ -97,7 +97,7 @@ $error = 0;
 
 // Add action
 if ($action == 'add' && $user->rights->categorie->creer) {
-	// Action ajout d'une categorie
+	// Action add a category
 	if ($cancel) {
 		if ($urlfrom) {
 			header("Location: ".$urlfrom);
@@ -167,7 +167,7 @@ if ($action == 'add' && $user->rights->categorie->creer) {
 
 // Confirm action
 if (($action == 'add' || $action == 'confirmed') && $user->rights->categorie->creer) {
-	// Action confirmation de creation categorie
+	// Action confirmation of creation category
 	if ($action == 'confirmed') {
 		if ($urlfrom) {
 			header("Location: ".$urlfrom);
@@ -208,7 +208,7 @@ if (($action == 'add' || $action == 'confirmed') && $user->rights->categorie->cr
 $form = new Form($db);
 $formother = new FormOther($db);
 
-$helpurl = '';
+$helpurl = 'EN:Module_Categories|FR:Module_Catégories';
 llxHeader("", $langs->trans("Categories"), $helpurl);
 
 if ($user->rights->categorie->creer) {
diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index f6f2f3de562..faf7ecaf3d8 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -756,7 +756,7 @@ class FormMail extends Form
 
 				$out .= '<td>';
 
-				if ($this->withmaindocfile)	{
+				if ($this->withmaindocfile) {
 					// withmaindocfile is set to 1 or -1 to show the checkbox (-1 = checked or 1 = not checked)
 					if (GETPOSTISSET('sendmail')) {
 						$this->withmaindocfile = (GETPOST('addmaindocfile', 'alpha') ? -1 : 1);
@@ -1641,7 +1641,14 @@ class ModelMail
 	 */
 	public $label;
 
+	/**
+	 * @var string Model mail topic
+	 */
 	public $topic;
+
+	/**
+	 * @var string Model mail content
+	 */
 	public $content;
 	public $content_lines;
 	public $lang;
diff --git a/htdocs/ftp/index.php b/htdocs/ftp/index.php
index 3f04f161038..6a97265b050 100644
--- a/htdocs/ftp/index.php
+++ b/htdocs/ftp/index.php
@@ -123,7 +123,7 @@ if (GETPOST("sendit") && !empty($conf->global->MAIN_UPLOAD_DOC)) {
 			}
 		}
 	} else {
-		// Echec transfert (fichier depassant la limite ?)
+		// Transfer failure (file exceeding the limit ?)
 		$langs->load("errors");
 		setEventMessages($langs->trans("ErrorFailToCreateDir", $upload_dir), null, 'errors');
 	}
diff --git a/htdocs/user/list.php b/htdocs/user/list.php
index f5ff4ea8a99..f9703116d62 100644
--- a/htdocs/user/list.php
+++ b/htdocs/user/list.php
@@ -308,8 +308,8 @@ if (empty($reshook)) {
 
 $formother = new FormOther($db);
 
-//$help_url="EN:Module_MyObject|FR:Module_MyObject_FR|ES:Módulo_MyObject";
-$help_url = '';
+$help_url = 'EN:Module_Users|FR:Module_Utilisateurs|ES:M&oacute;dulo_Usuarios|DE:Modul_Benutzer';
+
 if ($contextpage == 'employeelist' && $search_employee == 1) {
 	$text = $langs->trans("ListOfEmployees");
 } else {
diff --git a/htdocs/zapier/hook_document.php b/htdocs/zapier/hook_document.php
index b78ad4d7bac..8751f184821 100644
--- a/htdocs/zapier/hook_document.php
+++ b/htdocs/zapier/hook_document.php
@@ -96,8 +96,8 @@ include DOL_DOCUMENT_ROOT.'/core/actions_linkedfiles.inc.php';
 $form = new Form($db);
 
 $title = $langs->trans("MyObject").' - '.$langs->trans("Files");
-$help_url = '';
-//$help_url='EN:Module_Third_Parties|FR:Module_Tiers|ES:Empresas';
+$help_url = 'EN:Module_Zapier|ES:Módulo Zapier|FR:Module_Zapier_FR|DE:Modul_Zapier';
+
 llxHeader('', $title, $help_url);
 
 if ($object->id) {