diff --git a/python/packages/autogen-core/docs/src/_static/banner-override.js b/python/packages/autogen-core/docs/src/_static/banner-override.js
index 48c9358d89..e67243f039 100644
--- a/python/packages/autogen-core/docs/src/_static/banner-override.js
+++ b/python/packages/autogen-core/docs/src/_static/banner-override.js
@@ -1,7 +1,7 @@
 var version = DOCUMENTATION_OPTIONS.VERSION;
 if (version === "stable") {
   var styles = `
-s#bd-header-version-warning {
+#bd-header-version-warning {
   display: none;
 }
   `