storage_doc: Update overview of storage APIs

Update the storage API overview in the documentation to complement explanation.

Change-Id: Iea8cfd5d6abda13b820de6966016646f04212717
Signed-off-by: Unsung Lee <unsung.lee@samsung.com>

diff --git a/doc/storage_doc.h b/doc/storage_doc.h
index 15b19d425396377b2fc0b5bf4e821487c30b81aa..ff30e72f3da18565d8deeccb8340960aaaf2bc11 100755 (executable)
--- a/doc/storage_doc.h
+++ b/doc/storage_doc.h
@@ -27,13 +27,16 @@
  *   \#include <storage.h> \n
  *
  * @section CAPI_SYSTEM_STORAGE_MODULE_OVERVIEW Overview
- * The STORAGE API provides functions to get storage information.
+ * The STORAGE API provides functions to get storage information. \n
+ * It also offers functionality that enables users to register a callback
+ * so they can be informed whenever there is a change in the storage state.
  *
  * The type of storage information includes:
  * - Root directory
  * - Storage type (Internal or External)
- * - Storage status
+ * - Storage state
  * - Total and available space size
+ * - Storage device type (SDCARD or USB storage or extended internal)
  *
  * The type of directory information includes:
  * - Images