update comments

htdocs/core/modules/propale/doc/pdf_cyan.modules.php

@@ -45,23 +45,79 @@ class pdf_cyan extends ModelePDFPropales
      * @var DoliDb Database handler
      */
     public $db;
+
+	/**
+     * @var string model name
+     */
     public $name;
+
+	/**
+     * @var string model description (short text)
+     */
     public $description;
-	public $update_main_doc_field;	// Save the name of generated file as the main doc when generating a doc with this template
+
+    /**
+     * @var int     Save the name of generated file as the main doc when generating a doc with this template
+     */
+    public $update_main_doc_field;
+
+	/**
+     * @var string document type
+     */
     public $type;
 
-	public $phpmin = array(5, 4); // Minimum version of PHP required by module
+	/**
+     * @var array() Minimum version of PHP required by module.
+	 * e.g.: PHP ≥ 5.4 = array(5, 4)
+     */
+	public $phpmin = array(5, 4);
+
+	/**
+     * Dolibarr version of the loaded document
+     * @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;
 
 
 	/**