diff --git a/ArduPlane/Parameters.h b/ArduPlane/Parameters.h
index 53f5676c9f..e84c8b0e79 100644
--- a/ArduPlane/Parameters.h
+++ b/ArduPlane/Parameters.h
@@ -136,7 +136,7 @@ public:
         k_param_camera_mount2,
 
         //
-        // Batery monitoring parameters
+        // Battery monitoring parameters
         //
         k_param_battery_volt_pin = 168,
         k_param_battery_curr_pin,   // 169