diff --git a/website/docusaurus.config.js b/website/docusaurus.config.js
index b2a6c80aae90..be64b54a4234 100644
--- a/website/docusaurus.config.js
+++ b/website/docusaurus.config.js
@@ -305,6 +305,7 @@ const config = {
           },
           admonitions: {
             keywords: ['my-custom-admonition'],
+            extendDefaults: true,
           },
           showLastUpdateAuthor: true,
           showLastUpdateTime: true,