diff --git a/methode2/mondrian/draw.php b/methode2/mondrian/draw.php
index 8eb7033..ff70095 100644
--- a/methode2/mondrian/draw.php
+++ b/methode2/mondrian/draw.php
@@ -35,6 +35,9 @@ function DrawBlock($the_block, $vImage, $parametres)
 
   $data = blockchain::getTransactionData($the_block, $type);
 
+  /*
+   * Limiter à 42 rectangles
+   */
   usort($data, 'tri');
 
   $n=0;
@@ -46,6 +49,11 @@ function DrawBlock($the_block, $vImage, $parametres)
   $data[] = ["hash" => "0000000000000000000000000000000000000000000000000000000000000000", "value" => $n];
 
   usort($data, 'tri');
+
+  /*
+   *  TODO : Faire une classification automatique
+   *         C'est à dire classer toutes les transactions en 42 classes
+   */
  
   $treemap = new Treemap($data, $width, $height);
   $map = $treemap->getMap();