diff --git a/README.md b/README.md
index e21bc4c..559d63a 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ app.add_url_rule(
     "/docs/search",
     "docs-search",
     build_search_view(
+        app=app
         session=session,
         site="maas.io/docs",
         template_path="docs/search.html",