diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index 28320ecf41a..05b1822f45f 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -826,7 +826,7 @@ class Categorie extends CommonObject
 	/**
 	 * Return list of fetched instance of elements having this category
 	 *
-	 * @param   string     	$type       Type of category ('customer', 'supplier', 'contact', 'product', 'member', ...)
+	 * @param   string     	$type       Type of category ('customer', 'supplier', 'contact', 'product', 'member', 'knowledge_management' ...)
 	 * @param   int        	$onlyids    Return only ids of objects (consume less memory)
 	 * @param	int			$limit		Limit
 	 * @param	int			$offset		Offset