diff --git a/README.md b/README.md
new file mode 100644
index 0000000..f1f7971
--- /dev/null
+++ b/README.md
@@ -0,0 +1,13 @@
+# Grammaire online
+
+Web frontend for grammalecte.
+
+## Running
+
+### Dependencies
+
+- deno
+
+```bash
+./src/main.ts
+```
diff --git a/src/main.ts b/src/main.ts
index 3dd0f91..b668921 100755
--- a/src/main.ts
+++ b/src/main.ts
@@ -15,7 +15,7 @@ async function main() {
 		const response = await check(request.text)
 		return c.json(response)
 	})
-	Deno.serve(server.fetch)
+	Deno.serve({ port: 8000 }, server.fetch)
 }
 
 if (import.meta.main) await main()