diff --git a/demo/README.md b/demo/README.md
index ad7baa8..4f2b82a 100644
--- a/demo/README.md
+++ b/demo/README.md
@@ -1,6 +1,10 @@
 # Demo application for mapgen
 
+## Build the project:
 
+```
+wasm-pack build
+```
 
 This app uses:
   * [Urizen OneBit Tilesets](https://vurmux.itch.io/urizen-onebit-tilesets)
\ No newline at end of file
diff --git a/demo/src/lib.rs b/demo/src/lib.rs
index 1e83b62..639b37e 100644
--- a/demo/src/lib.rs
+++ b/demo/src/lib.rs
@@ -11,7 +11,7 @@ pub fn main() -> Result<(), JsValue> {
 
     // Manufacture the element we're gonna append
     let val = document.create_element("p")?;
-    val.set_inner_html("Hello from Rust!");
+    val.set_inner_html("Hello from Rust! 1");
 
     body.append_child(&val)?;
 
diff --git a/demo/www b/demo/www
new file mode 160000
index 0000000..9ac3dff
--- /dev/null
+++ b/demo/www
@@ -0,0 +1 @@
+Subproject commit 9ac3dff9ebea4675e5c478bcdcbc0fd547d1529f