Fix API reference

Change-Id: I1f5e9893e3ffce6ab53094be5986c5e7d9ee728e

diff --git a/doc/vpn_doc.h b/doc/vpn_doc.h
index 8a6d7f1..506caf4 100755 (executable)
--- a/doc/vpn_doc.h
+++ b/doc/vpn_doc.h
@@ -39,7 +39,8 @@
  * To enable or disable VPN interface, you should launch VPN popup by using app-control.
  * @section CAPI_NETWORK_VPN_SERVICE_MODULE_FEATURE Related Features
  * This API is related with the following features:\n
- * - http://tizen.org/feature/network.vpn\n
+ * - %http://tizen.org/feature/network.vpn\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