diff --git a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
index da45babde4f..4be117bff0b 100644
--- a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
@@ -69,26 +69,57 @@ class pdf_sponge extends ModelePDFFactures
     public $type;
 
 	/**
-     * @var array Minimum version of PHP required by module.
-	 * e.g.: PHP ≥ 5.3 = array(5, 3)
+     * @var array() Minimum version of PHP required by module.
+	 * e.g.: PHP ≥ 5.4 = array(5, 4)
      */
-	public $phpmin = array(5, 2);
+	public $phpmin = array(5, 4);
 
 	/**
      * Dolibarr version of the loaded document
-     * @var string
+     * @public string
      */
 	public $version = 'development';
 
+     /**
+     * @var int page_largeur
+     */
     public $page_largeur;
+	
+	/**
+     * @var int page_hauteur
+     */
     public $page_hauteur;
+	
+	/**
+     * @var array format
+     */
     public $format;
+	
+	/**
+     * @var int marge_gauche
+     */
 	public $marge_gauche;
+	
+	/**
+     * @var int marge_droite
+     */
 	public $marge_droite;
+	
+	/**
+     * @var int marge_haute
+     */
 	public $marge_haute;
+	
+	/**
+     * @var int marge_basse
+     */
 	public $marge_basse;
 
-	public $emetteur;	// Objet societe qui emet
+    /**
+	* Issuer
+	* @var Societe
+	*/
+	public $emetteur;
 
 	/**
 	 * @var bool Situation invoice type