diff --git a/addons/options/README.md b/addons/options/README.md
index c85a55af5c58..7d5042011740 100644
--- a/addons/options/README.md
+++ b/addons/options/README.md
@@ -44,6 +44,7 @@ setOptions({
   showSearchBox: false,
   downPanelInRight: false,
   sortStoriesByKind: false,
+  hierarchySeparator: /\//,
 });
 
 storybook.configure(() => require('./stories'), module);