diff --git a/README.md b/README.md
index f3bcfe0..d08f99b 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,7 @@ Download the script (*.sh) that matches with your ZUMspot/MMDVM_HS board:
 
 - install_fw_rpi.sh: only for ZUMspot RPi board (KI6ZUM & VE2GZI)
 - install_fw_hshat.sh: only for MMDVM_HS_Hat board (DB9MAT & DF2ET)
+- install_fw_hshat-12mhz.sh: only for MMDVM_HS_Hat board with 12.288 MHz TCXO (DB9MAT & DF2ET)
 - install_fw_nanohs.sh: only for Nano hotSPOT board (BI7JTA)
 - install_fw_nanodv.sh: only for Nano DV board (BG4TGO & BG5HHP)
 - install_fw_hsdualhat.sh: only for MMDVM_HS_Dual_Hat board (DB9MAT & DF2ET & DO7EN)