diff --git a/README.md b/README.md
index 762c7b1..8c825f9 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # jupyterlite-terminal
 
 [![Github Actions Status](https://github.com/jupyterlite/terminal/workflows/Build/badge.svg)](https://github.com/jupyterlite/terminal/actions/workflows/build.yml)
-[![lite-badge](https://jupyterlite.rtfd.io/en/latest/_static/badge.svg)](https://jupyterlite.github.io/terminal/lab/index.html)
+[![lite-badge](https://jupyterlite.rtfd.io/en/latest/_static/badge.svg)](https://jupyterlite-terminal.vercel.app/)
 
 A terminal for JupyterLite.
 
diff --git a/demo/contents/fact.lua b/demo/contents/fact.lua
new file mode 100644
index 0000000..a7e0449
--- /dev/null
+++ b/demo/contents/fact.lua
@@ -0,0 +1,8 @@
+function fact(n, acc)
+  acc = acc or 1
+  if n == 0 then
+    return acc
+  end
+  return fact(n-1, n*acc)
+end
+print(fact(tonumber(arg[1])))
diff --git a/demo/contents/months.txt b/demo/contents/months.txt
new file mode 100644
index 0000000..9b28fd0
--- /dev/null
+++ b/demo/contents/months.txt
@@ -0,0 +1,12 @@
+August
+November
+March
+January
+July
+May
+October
+February
+December
+April
+September
+June
diff --git a/deploy.sh b/deploy.sh
index e3cc36b..c57652f 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -22,4 +22,4 @@ python -m pip install -r requirements-deploy.txt
 
 # build the JupyterLite site
 jupyter lite --version
-jupyter lite build --output-dir dist
+jupyter lite build --contents demo/contents --output-dir dist