Merge pull request #7964 from topvisor/patch-3

Update system.md
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@ -3,7 +3,7 @@
- [RELOAD DICTIONARIES](#query_language-system-reload-dictionaries)
- [RELOAD DICTIONARY](#query_language-system-reload-dictionary)
- [DROP DNS CACHE](#query_language-system-drop-dns-cache)
- [DROP MARKS CACHE](#query_language-system-drop-marks-cache)
- [DROP MARK CACHE](#query_language-system-drop-mark-cache)
- [FLUSH LOGS](#query_language-system-flush_logs)
- [RELOAD CONFIG](#query_language-system-reload-config)
- [SHUTDOWN](#query_language-system-shutdown)
@ -36,7 +36,7 @@ SELECT name, status FROM system.dictionaries;
Для более удобного (автоматического) управления кешем см. параметры disable_internal_dns_cache, dns_cache_update_period.
## DROP MARKS CACHE {#query_language-system-drop-marks-cache}
## DROP MARK CACHE {#query_language-system-drop-mark-cache}
Сбрасывает кеш "засечек" (`mark cache`). Используется при разработке ClickHouse и тестах производительности.