diff --git a/src/W800_SDK_v1.00.10/app/gfx/compass_screen.h b/src/W800_SDK_v1.00.10/app/gfx/compass_screen.h
index cb76b04..8879c95 100644
--- a/src/W800_SDK_v1.00.10/app/gfx/compass_screen.h
+++ b/src/W800_SDK_v1.00.10/app/gfx/compass_screen.h
@@ -64,7 +64,7 @@ void compass_screen_init(CompassScreen_t * const compassScreen);
 /**
  * @brief Registers a callback function which will be called every time the state of the application changes ie : is opened or closed.
  *        This callback should be used to initialize and deinitialize needed devices drivers like the magnetometer or the temperature sensor.
- * @note The state of the application is passed as a parameter or the callback function. 
+ * @note The state of the application is passed as a parameter of the callback function. 
  * 
  * @param compassScreen a pointer to the compass screen object structure.
  * @param compassScreenOnStateChangeCb the callback of type @ref CompassScreenOnStateChangeCb_t to register.