\r
@retval EFI_SUCCESS The (Guid, Table) pair was added, updated, or removed.\r
@retval EFI_NOT_FOUND An attempt was made to delete a nonexistent entry.\r
- @retval EFI_INVALID_PARAMETER Guid is not valid.\r
+ @retval EFI_INVALID_PARAMETER Guid is NULL.\r
@retval EFI_OUT_OF_RESOURCES There is not enough memory available to complete the operation.\r
\r
**/\r