diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h
index 0f301798cb..5d7328e4df 100644
--- a/MdePkg/Include/Uefi/UefiSpec.h
+++ b/MdePkg/Include/Uefi/UefiSpec.h
@@ -752,8 +752,7 @@ EFI_STATUS
   @param  SystemTable           A pointer to the EFI System Table.
 
   @retval EFI_SUCCESS           The operation completed successfully.
-  @retval EFI_OUT_OF_RESOURCES  The request could not be completed due to a lack of resources.
-
+  @retval Others                Some unexpected error happened.
 **/
 typedef
 EFI_STATUS