diff --git a/README.md b/README.md
index e09908e..cb186f6 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 
 # 3amp 
 
+:warning: project is deprecated.
+
 This is a mobile app for amps Yamaha thr series. 
 
 What you need:
@@ -16,4 +18,4 @@ _Note: This app is not affiliated with or endorsed by Yamaha Corporation in any
 This project is not under active development, and exists primarily to meet my
 immediate needs._
 
-[![](docs/google-play-badge.png)](https://play.google.com/store/apps/details?id=xyz.lazysoft.a3amp)
\ No newline at end of file
+[![](docs/google-play-badge.png)](https://play.google.com/store/apps/details?id=xyz.lazysoft.a3amp)