diff --git a/README.md b/README.md
index b14683cd..e07b344b 100755
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
 # Knutwurst's i3 MEGA S Firmware (based on Marlin 2.0.5.3)
+# This is heavily WIP and not intended for regular use!