diff --git a/tooling/web/README.md b/tooling/web/README.md
index d1179fdb..ea7ea11d 100644
--- a/tooling/web/README.md
+++ b/tooling/web/README.md
@@ -6,7 +6,7 @@ Web based witness visualization
 
 With `node.js`:
 
-    $ npx http-server 
+    $ npx http-server -c-1 
     $ open http://127.0.0.1:8080
 
 Or with `python3`: