diff --git a/ng-sdk-js/README.md b/ng-sdk-js/README.md
index 742a465..7dd1971 100644
--- a/ng-sdk-js/README.md
+++ b/ng-sdk-js/README.md
@@ -62,6 +62,7 @@ wasm-pack test --chrome --headless
 
 ```
 wasm-pack build --target bundler
+tar --exclude .DS_Store -zcvf pkg.tar.gz pkg
 wasm-pack build -t nodejs -d pkg-node
 wasm-pack build --target web -d web
 node prepare-node.js