diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index c3afd2df5a..a06581bcad 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -325,7 +325,7 @@ int32_t  taosGetErrSize();
 #define TSDB_CODE_MND_DB_OPTION_UNCHANGED       TAOS_DEF_ERROR_CODE(0, 0x038A) //
 #define TSDB_CODE_MND_DB_INDEX_NOT_EXIST        TAOS_DEF_ERROR_CODE(0, 0x038B)
 #define TSDB_CODE_MND_DB_RETENTION_PERIOD_ZERO  TAOS_DEF_ERROR_CODE(0, 0x038C)
-// #define TSDB_CODE_MND_INCONSIST_ENCRYPT_KEY  TAOS_DEF_ERROR_CODE(0, 0x038D) // used
+// #define TSDB_CODE_MND_INCONSIST_ENCRYPT_KEY  TAOS_DEF_ERROR_CODE(0, 0x038D) // unused
 #define TSDB_CODE_MND_INVALID_ENCRYPT_KEY       TAOS_DEF_ERROR_CODE(0, 0x038E)
 // #define TSDB_CODE_MND_INVALID_DB_OPTION_DAYS TAOS_DEF_ERROR_CODE(0, 0x0390) // 2.x
 // #define TSDB_CODE_MND_INVALID_DB_OPTION_KEEP TAOS_DEF_ERROR_CODE(0, 0x0391) // 2.x