diff --git a/Dev/CondorcetDocumentationGenerator/Generate.php b/Dev/CondorcetDocumentationGenerator/Generate.php
index <HASH>..<HASH> 100644
--- a/Dev/CondorcetDocumentationGenerator/Generate.php
+++ b/Dev/CondorcetDocumentationGenerator/Generate.php
@@ -90,8 +90,9 @@ class Generate
                 $str .= ($i > 0) ? ", " : "";
                 $str .= self::getTypeAsString($value->getType());
                 $str .= " ";
+                $str .= $value->isPassedByReference() ?  '&' : '';
                 $str .= $value->getName();
-                $str .= ($value->isDefaultValueAvailable()) ? " = ".self::speakBool($value->getDefaultValue()) : "";
+                $str .= $value->isDefaultValueAvailable() ? " = ".self::speakBool($value->getDefaultValue()) : "";
 
                 ($value->isOptional() && !$option) ? $option = true : null;
                 $i++;
Documentation Generator: Representation of references (parameter)