diff --git a/Keyboard/README.md b/Keyboard/README.md
index e69de29..92a5cc3 100644
--- a/Keyboard/README.md
+++ b/Keyboard/README.md
@@ -0,0 +1,2 @@
+hackberrypiq10_vial.uf2: default firmware file for the keyboard controller chip(RP2040) on HackberryPi with BBQ10 keyboard  
+hackberrypiq20_vial.uf2: default firmware file for the keyboard controller chip(RP2040) on HackberryPi with BBQ20 keyboard