diff --git a/atc/hua-e3372h_320/README.md b/atc/hua-e3372h_320/README.md
index d196510..45ea4f6 100644
--- a/atc/hua-e3372h_320/README.md
+++ b/atc/hua-e3372h_320/README.md
@@ -6,6 +6,7 @@ Install packages:
 ```
 kmod-usb-net-cdc-ncm
 kmod-usb-serial-option
+usb-modeswitch
 ```
 
 Use usb-modeswitch to switch to NCM mode.\