diff --git a/README.md b/README.md
index 4bd5b63..607d387 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,8 @@ A Marlin firmware for KP3S 3.0 3D printer
 
 Searching for firmware? Click on Releases section  ------------------------->
 
-It's for Kingroon Robin Nano v1.3 mainboard with GD32F303 chip.
-
+It's for Kingroon mainboard 1.3 with GD32F303 chip.
+Not guaranted to work on F103, some people reported success.
 Based on build v2.1.2.x-bufix of 20240112
 
 Main features: