Remove retval description not generated by this function

Change-Id: Ifc99620f16c6cadb577659279297051470aa5961
Signed-off-by: Suyeon Hwang <stom.hwang@samsung.com>

diff --git a/include/tts.h b/include/tts.h
index 3a8bb00..9e19005 100644 (file)
--- a/include/tts.h
+++ b/include/tts.h
@@ -543,7 +543,6 @@ int tts_get_error_message(tts_h tts, char** err_msg);
  * @retval #TTS_ERROR_NONE Successful
  * @retval #TTS_ERROR_NOT_SUPPORTED TTS NOT supported
  * @retval #TTS_ERROR_INVALID_PARAMETER Invalid parameter
- * @retval #TTS_ERROR_OPERATION_FAILED Operation failure
  * @see tts_set_screen_reader_changed_cb()
  * @see tts_unset_screen_reader_changed_cb()
 */