diff --git a/README.md b/README.md
index fd7c185..2732921 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+``diff
+- The version in the repository is an ongoing development. It could and will contain bugs. To make sure you use the latest fully tested firmware, check the releases!
+  ```
+
 # TEF6686_ESP32
 Advanced Tuner software for NXP TEF668x tuners with ESP32 board\
 Based on Catena / NXP semiconductors API