diff --git a/BasicServicesKit/ohbattery_info.h b/BasicServicesKit/ohbattery_info.h
index a8f8af9e8..77a561c01 100644
--- a/BasicServicesKit/ohbattery_info.h
+++ b/BasicServicesKit/ohbattery_info.h
@@ -96,7 +96,7 @@ typedef enum {
 } BatteryInfo_BatteryPluggedType;
 
 /**
- * @brief This API returns the current battery capacity.
+ * @brief This API returns the current battery capacity in percent.
  *
  * @return Returns number between 0 and 100.
  * @since 13