diff --git a/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php b/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
index 423804b284c..a259fbbe7ee 100644
--- a/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
@@ -45,6 +45,10 @@ class doc_generic_supplier_proposal_odt extends ModelePDFSupplierProposal
 
 	public $phpmin = array(5,4,0);	// Minimum version of PHP required by module
 
+	/**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
 	public $version = 'dolibarr';
 
 
diff --git a/htdocs/core/modules/ticket/mod_ticket_simple.php b/htdocs/core/modules/ticket/mod_ticket_simple.php
index aa8b4c4e3f5..a2201208534 100644
--- a/htdocs/core/modules/ticket/mod_ticket_simple.php
+++ b/htdocs/core/modules/ticket/mod_ticket_simple.php
@@ -30,7 +30,12 @@ require_once DOL_DOCUMENT_ROOT.'/core/modules/ticket/modules_ticket.php';
  */
 class mod_ticket_simple extends ModeleNumRefTicket
 {
-    public $version = 'dolibarr'; // 'development', 'experimental', 'dolibarr'
+    /**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
+	public $version = 'dolibarr'; // 'development', 'experimental', 'dolibarr'
+
     public $prefix = 'TS';
     public $error = '';
     public $nom = "Simple";
diff --git a/htdocs/core/modules/ticket/mod_ticket_universal.php b/htdocs/core/modules/ticket/mod_ticket_universal.php
index c3dad0aa482..ee201740eed 100644
--- a/htdocs/core/modules/ticket/mod_ticket_universal.php
+++ b/htdocs/core/modules/ticket/mod_ticket_universal.php
@@ -29,7 +29,12 @@ require_once DOL_DOCUMENT_ROOT.'/core/modules/ticket/modules_ticket.php';
  */
 class mod_ticket_universal extends ModeleNumRefTicket
 {
-    public $version = 'dolibarr'; // 'development', 'experimental', 'dolibarr'
+    /**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
+	public $version = 'dolibarr'; // 'development', 'experimental', 'dolibarr'
+
     public $error = '';
     public $nom = 'Universal';
     public $name = 'Universal';
diff --git a/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php b/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
index 1f993bfcd86..41fb48ecec5 100644
--- a/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
+++ b/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
@@ -43,6 +43,10 @@ class doc_generic_user_odt extends ModelePDFUser
 
 	public $phpmin = array(5,4,0);	// Minimum version of PHP required by module
 
+	/**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
 	public $version = 'dolibarr';
 
 
diff --git a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
index ffb356cbb9b..571a12aaf7b 100644
--- a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
+++ b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
@@ -45,6 +45,10 @@ class doc_generic_usergroup_odt extends ModelePDFUserGroup
 
 	public $phpmin = array(5,4,0);	// Minimum version of PHP required by module
 
+	/**
+     * Dolibarr version of the loaded document
+     * @public string
+     */
 	public $version = 'dolibarr';