Update README.md
diff --git a/README.md b/README.md
index 41e865e..49dcbdc 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 
 The current version is 0.4.0.
 
+This code is experimental (very).
+
 Update: some of the functionality of this tool is moving to the OpenWhisk [wskdeploy tool](https://github.com/openwhisk/wskdeploy)
 
 ## Features