diff --git a/config/printer-tronxy-x5sa-v6-2019.cfg b/config/printer-tronxy-x5sa-v6-2019.cfg
index ad822beb..9672b267 100644
--- a/config/printer-tronxy-x5sa-v6-2019.cfg
+++ b/config/printer-tronxy-x5sa-v6-2019.cfg
@@ -7,8 +7,8 @@
 # at 0x8008800 (Chitu v6 Bootloader). Uncheck USB, and leave default
 # serial settings.
 #
-# Use "./update_chitu.py out/klipper.bin update.cbz" to generate update.cbz.
-# Put `update.cbz` onto SD card, and reboot the printer.
+# Use "./update_chitu.py out/klipper.bin update.cbd" to generate update.cbd.
+# Put `update.cbd` onto SD card, and reboot the printer.
 # It will be automatically installed, and you will be able to update it this way.
 
 [mcu]