Misleading VARIABLE_COMMENT for SERVER_AUDIT_OUTPUT_TYPE in SYSTEM_VARIABLES

MariaDB [(none)]> select * from information_schema.system_variables where variable_name = 'SERVER_AUDIT_OUTPUT_TYPE' \G

*************************** 1. row ***************************

        VARIABLE_NAME: SERVER_AUDIT_OUTPUT_TYPE

        SESSION_VALUE: NULL

         GLOBAL_VALUE: file

  GLOBAL_VALUE_ORIGIN: SQL

        DEFAULT_VALUE: file

       VARIABLE_SCOPE: GLOBAL

        VARIABLE_TYPE: ENUM

     VARIABLE_COMMENT: Desired output type. Possible values - 'syslog', 'file' or 'null' as no output.

    NUMERIC_MIN_VALUE: NULL

    NUMERIC_MAX_VALUE: NULL

   NUMERIC_BLOCK_SIZE: NULL

      ENUM_VALUE_LIST: syslog,file

            READ_ONLY: NO

COMMAND_LINE_ARGUMENT: REQUIRED

1 row in set (0.002 sec)