diff --git a/docs/en/module/comx_gps.md b/docs/en/module/comx_gps.md
index 7fac277f..2eb50225 100644
--- a/docs/en/module/comx_gps.md
+++ b/docs/en/module/comx_gps.md
@@ -2,11 +2,11 @@


-
?>COM.GPS RXD/TXD can be connected to M5Stack's UART (TX(0/13/17)RX(5/15/16)) by setting the DIP switch, **M5Stack Fire** GPIO16 /GPIO17 is connected to PSRAM by default. It is recommended to use any one of the remaining two groups of pins.
?>The right dial switch is invalid for this module, no need to set.
## Product Features
-- Working voltage: 2.7 ~ 3.6
-- Working temperature: -40 ~ 80°C
- Antenna type: external GPS antenna
- External antenna port: SMA
- Can receive data from 3 GNSS systems at the same time
@@ -78,13 +74,21 @@ If you want to change the serial port baud rate, please click ( [u-center-just-f