diff --git a/docs/api_methods.asciidoc b/docs/api_methods.asciidoc
index 32acea313..ff75c5375 100644
--- a/docs/api_methods.asciidoc
+++ b/docs/api_methods.asciidoc
@@ -874,7 +874,7 @@ client.index({
     tags: ['y', 'z'],
     published: true,
   }
-}, function (error response) {
+}, function (error, response) {
 
 });
 ---------