diff --git a/htdocs/core/modules/product/doc/pdf_standard.modules.php b/htdocs/core/modules/product/doc/pdf_standard.modules.php
index df064738d2c11..6de000ffac484 100644
--- a/htdocs/core/modules/product/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/product/doc/pdf_standard.modules.php
@@ -73,7 +73,11 @@ class pdf_standard extends ModelePDFProduct
      */
     public $page_largeur;
 
+    /**
+     * @var int page_hauteur
+     */
     public $page_hauteur;
+
     public $format;
 	public $marge_gauche;
 	public $marge_droite;
diff --git a/htdocs/core/modules/stock/doc/pdf_standard.modules.php b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
index 850668a4b206b..40739458879b5 100644
--- a/htdocs/core/modules/stock/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
@@ -73,7 +73,11 @@ class pdf_standard extends ModelePDFStock
      */
     public $page_largeur;
 
+    /**
+     * @var int page_hauteur
+     */
     public $page_hauteur;
+
     public $format;
 	public $marge_gauche;
 	public $marge_droite;
diff --git a/htdocs/core/modules/stock/doc/pdf_stdmovement.modules.php b/htdocs/core/modules/stock/doc/pdf_stdmovement.modules.php
index da75c85cdc83a..4bded6e2e6f10 100644
--- a/htdocs/core/modules/stock/doc/pdf_stdmovement.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_stdmovement.modules.php
@@ -74,7 +74,11 @@ class pdf_stdmovement extends ModelePDFMovement
      */
     public $page_largeur;
 
+    /**
+     * @var int page_hauteur
+     */
     public $page_hauteur;
+
     public $format;
 	public $marge_gauche;
 	public $marge_droite;