Fix documentation for appcore widget

Change-Id: Ib1f0932f6833ab369f1109cb27a7084dc61e3fa2
Signed-off-by: SukhyungKang <shine.kang@samsung.com>

diff --git a/doc/appcore-widget_doc.h b/doc/appcore-widget_doc.h
index 0e540a4..feedbef 100755 (executable)
--- a/doc/appcore-widget_doc.h
+++ b/doc/appcore-widget_doc.h
@@ -20,8 +20,8 @@
  * @defgroup CAPI_WIDGET_APP_MODULE Widget Application
  * @brief Widget application API.
  * @section CAPI_WIDGET_APP_MODULE_HEADER Required Header
- * \#include <widget_app.h>
- * \#include <widget_app_efl.h>
+ * \#include <widget_app.h>\n
+ * \#include <widget_app_efl.h>\n
  *
  * @section CAPI_WIDGET_APP_MODULE_OVERVIEW Overview
  * The @ref CAPI_WIDGET_APP_MODULE API provides functions for handling Tizen widget application state changes or system events. Tizen widget application can be shown in the home screen.
@@ -119,6 +119,11 @@
  * @image html widget_obj_lifecycle.png "Widget Instance States"
  *
  * @section CAPI_WIDGET_APP_MODULE_RELATED_FEATURES Related Features
- * This API is related with the following feature:
- * - http://tizen.org/feature/shell.appwidget
+ * This function is related with the following feature:
+ * - %http://tizen.org/feature/shell.appwidget\n
+ *
+ * It is recommended to design feature related codes in your application for reliability.\n
+ * You can check if a device supports the related features for this API by using @ref CAPI_SYSTEM_SYSTEM_INFO_MODULE, thereby controlling the procedure of your application.\n
+ * To ensure your application is only running on the device with specific features, please define the features in your manifest file using the manifest editor in the SDK.\n
+ * More details on featuring your application can be found from <a href="https://docs.tizen.org/application/tizen-studio/native-tools/manifest-text-editor#feature-element"><b>Feature Element</b>.</a>
  */