diff --git a/docs/hardware/devices/heltec-automation/sensor/index.mdx b/docs/hardware/devices/heltec-automation/sensor/index.mdx
index 452e0fac..8fb1d998 100644
--- a/docs/hardware/devices/heltec-automation/sensor/index.mdx
+++ b/docs/hardware/devices/heltec-automation/sensor/index.mdx
@@ -38,7 +38,7 @@ values={[
 
 :::info
 Capsule Sensor V3 uses WirelessBoot mode to upload firmware, exchange information, and print logs through WiFi.
-That is, whether you update the firmware locally or via the Web, You need to get the device into WirelssBoot state first.
+That is, whether you update the firmware locally or via the Web, You need to get the device into WirelessBoot state first.
 :::
 Refer to this link for how to upload firmware for Capsule Sensor V3: [**Wireless Boot**](https://docs.heltec.org/en/node/esp32/capsule_sensor_v3/wireless_boot.html#).