diff --git a/doc/src/content/docs/demo.mdx b/doc/src/content/docs/demo.mdx
index e63f11f35..f31743ad8 100644
--- a/doc/src/content/docs/demo.mdx
+++ b/doc/src/content/docs/demo.mdx
@@ -1,12 +1,10 @@
 ---
-title: Demo
+title: Interpreter demo
 description: Stak Scheme interpreter demo running on web browsers.
 ---
 
 import InterpreterDemo from "../../components/InterpreterDemo.astro";
 
-# Interpreter demo
-
 Stak Scheme can run on many platforms including web browsers. The following is the demo of Stak Scheme built in WASM running on a web page.
 
 <InterpreterDemo />