diff --git a/htdocs/api/class/api_documents.class.php b/htdocs/api/class/api_documents.class.php
index 1c6dcb9d1e3..448f5d15ed9 100644
--- a/htdocs/api/class/api_documents.class.php
+++ b/htdocs/api/class/api_documents.class.php
@@ -617,7 +617,7 @@ class Documents extends DolibarrApi
 	 *
 	 * @url DELETE /
 	 */
-	public function delete($modulepart, $original_file = '')
+	public function delete($modulepart, $original_file)
 	{
 	    global $conf, $langs;
 
diff --git a/htdocs/product/class/api_products.class.php b/htdocs/product/class/api_products.class.php
index 947e4292c1a..51deaf8c73b 100644
--- a/htdocs/product/class/api_products.class.php
+++ b/htdocs/product/class/api_products.class.php
@@ -346,7 +346,7 @@ class Products extends DolibarrApi
     /**
      * Delete product
      *
-     * @param  int $id Product ID
+     * @param  int 		$id 		Product ID
      * @return array
      */
     public function delete($id)