diff --git a/README.md b/README.md
index a3290d2..f06a836 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@
 
 This extension allows you to use VS Code to flash, build and deploy your C# code for .NET nanoFramework on your device regardless of the platform you're using. This has been tested on Mac, Linux (64 bits) and Windows (64 bits).
 
+> **Warning**: This extension is experimental. Some features are incomplete or may not work as expected on some platforms.
+
 ![vs code gif](docs/nano-vs-code.gif)
 
 ## Features