diff --git a/src/W800_SDK_v1.00.10/app/gfx/watch_face.h b/src/W800_SDK_v1.00.10/app/gfx/watch_face.h
index 18ec587..9aed859 100644
--- a/src/W800_SDK_v1.00.10/app/gfx/watch_face.h
+++ b/src/W800_SDK_v1.00.10/app/gfx/watch_face.h
@@ -78,7 +78,12 @@ typedef struct WatchFace
     struct tm dateTime;
 } WatchFace_t;
 
-/* Initializes the watch face context object */
+/**
+ * @brief Initializes the watch face context object
+ * @note This function has to be called first before any others
+ * 
+ * @param watchFace a pointer to the watch face context structure.
+ */
 void watch_face_init(WatchFace_t * const watchFace);
 
 /**
@@ -158,7 +163,7 @@ void watch_face_force_sync(WatchFace_t * const watchFace);
  * 
  * @param watchFace a pointer to the watch face context structure.
  * @return true if the watch face screen is being used 
- * @return false if the watch face screen is not being used/displayed currently
+ * @return false if the watch face screen is not being used/currently displayed
  */
 bool watch_face_is_in_use(WatchFace_t * const watchFace);