diff --git a/overrides/main.html b/overrides/optional_banner.html
similarity index 73%
rename from overrides/main.html
rename to overrides/optional_banner.html
index 3ed4ab1..f400405 100644
--- a/overrides/main.html
+++ b/overrides/optional_banner.html
@@ -1,3 +1,5 @@
+[//]: # (rename this file to `main.html` to have a banner announcement)
+
{% extends "base.html" %}
{% block announce %}