diff --git a/How-to-upgrade-4G-extension-firmware.md b/How-to-upgrade-4G-extension-firmware.md
index 6bf7d30..03696c4 100644
--- a/How-to-upgrade-4G-extension-firmware.md
+++ b/How-to-upgrade-4G-extension-firmware.md
@@ -1,6 +1,6 @@
 # Purpose
 
-A more convenient way to use 4G ext in uConsole,no setup, no nmcli ,just insert 4G card and power on 4G ext, that's it
+A more convenient way to use 4G ext on the uConsole,no setup, no nmcli ,just insert 4G card and power on 4G ext, that's it
 
 # Power On 4G ext