diff --git a/htdocs/core/lib/accounting.lib.php b/htdocs/core/lib/accounting.lib.php
index c50ee1be869..9619bee580f 100644
--- a/htdocs/core/lib/accounting.lib.php
+++ b/htdocs/core/lib/accounting.lib.php
@@ -28,10 +28,11 @@
  /**
   *	Check if a value is empty with some options
   *
-  *	@param	allow_false : setting this to true will make the function consider a boolean value of false as NOT empty. This parameter is false by default.
-  *	@param	allow_ws :    setting this to true will make the function consider a string with nothing but white space as NOT empty. This parameter is false by default.
-  *	@return	array				  Bool
   * @author Michael - https://www.php.net/manual/fr/function.empty.php#90767
+  *	@param	mixed		$var			Value to test
+  * @param	int|null	$allow_false 	Setting this to true will make the function consider a boolean value of false as NOT empty. This parameter is false by default.
+  *	@param	int|null	$allow_ws 		Setting this to true will make the function consider a string with nothing but white space as NOT empty. This parameter is false by default.
+  *	@return	boolean				  		True of False
   */
 function is_empty($var, $allow_false = false, $allow_ws = false)
 {
diff --git a/htdocs/product/list.php b/htdocs/product/list.php
index 5e348c2fe70..7d766452186 100644
--- a/htdocs/product/list.php
+++ b/htdocs/product/list.php
@@ -1002,7 +1002,7 @@ if ($resql)
         if (! empty($arrayfields['p.tva_tx']['checked']))
         {
             print '<td class="right">';
-            print vatrate($obj->tva_tx,true);
+            print vatrate($obj->tva_tx, true);
             print '</td>';
             if (! $i) $totalarray['nbfield']++;
         }