diff --git a/docs/en/operations/system-tables/crash_log.md b/docs/en/operations/system-tables/crash-log.md
similarity index 77%
rename from docs/en/operations/system-tables/crash_log.md
rename to docs/en/operations/system-tables/crash-log.md
index d38ce31584f..5bdf402513a 100644
--- a/docs/en/operations/system-tables/crash_log.md
+++ b/docs/en/operations/system-tables/crash-log.md
@@ -1,4 +1,4 @@
-## system.crash_log {#system-tables_crash_log}
+# system.crash_log {#system-tables_crash_log}
 
 Contains information about stack traces for fatal errors. The table does not exist in the database by default, it is created only when fatal errors occur. 
 
@@ -10,11 +10,11 @@ Columns:
 -   `signal` ([Int32](../../sql-reference/data-types/int-uint.md)) — Signal number.
 -   `thread_id` ([UInt64](../../sql-reference/data-types/int-uint.md)) — Thread ID.
 -   `query_id` ([String](../../sql-reference/data-types/string.md)) — Query ID.
--   `trace` ([Array](../../sql-reference/data-types/array.md)([UInt64](../../sql-reference/data-types/int-uint.md))) — Array of traces.
--   `trace_full` ([Array](../../sql-reference/data-types/array.md)([String](../../sql-reference/data-types/string.md))) — Array of full traces.
+-   `trace` ([Array](../../sql-reference/data-types/array.md)([UInt64](../../sql-reference/data-types/int-uint.md))) — Stack trace at the moment of crash. Each element is a virtual memory address inside ClickHouse server process.
+-   `trace_full` ([Array](../../sql-reference/data-types/array.md)([String](../../sql-reference/data-types/string.md))) — Stack trace at the moment of crash. Each element contains a called method inside ClickHouse server process.
 -   `version` ([String](../../sql-reference/data-types/string.md)) — ClickHouse server version.
 -   `revision` ([UInt32](../../sql-reference/data-types/int-uint.md)) — ClickHouse server revision.
--   `build_id` ([String](../../sql-reference/data-types/string.md)) — ClickHouse server build.
+-   `build_id` ([String](../../sql-reference/data-types/string.md)) — BuildID that is generated by compiler.
 
 **Example**
 
@@ -23,9 +23,12 @@ Query:
 ``` sql
 SELECT * FROM system.crash_log ORDER BY event_time DESC LIMIT 1;
 ```
+
 Result (not full):
 
 ``` text
+Row 1:
+──────
 event_date:   2020-10-14
 event_time:   2020-10-14 15:47:40
 timestamp_ns: 1602679660271312710
@@ -39,4 +42,7 @@ revision:     54442
 build_id:     
 ```
 
-[Original article](https://clickhouse.tech/docs/en/operations/system_tables/crash_log)
+**See also**
+-   [trace_log](../../operations/system_tables/trace_log.md) system table
+
+[Original article](https://clickhouse.tech/docs/en/operations/system_tables/crash-log)
diff --git a/docs/ru/operations/system-tables/crash-log.md b/docs/ru/operations/system-tables/crash-log.md
new file mode 100644
index 00000000000..19e9d19b198
--- /dev/null
+++ b/docs/ru/operations/system-tables/crash-log.md
@@ -0,0 +1,48 @@
+# system.crash_log {#system-tables_crash_log}
+
+Содержит информацию о трассировках стека для фатальных ошибок. Таблица не содержится в базе данных по умолчанию, а создается только при возникновении фатальных ошибок. 
+
+Колонки:
+
+-   `event_date` ([Datetime](../../sql-reference/data-types/datetime.md)) — Дата события.
+-   `event_time` ([Datetime](../../sql-reference/data-types/datetime.md)) — Время события.
+-   `timestamp_ns` ([UInt64](../../sql-reference/data-types/int-uint.md)) — Время события с наносекундами.
+-   `signal` ([Int32](../../sql-reference/data-types/int-uint.md)) — Номер сигнала, пришедшего в поток.
+-   `thread_id` ([UInt64](../../sql-reference/data-types/int-uint.md)) — Идентификатор треда.
+-   `query_id` ([String](../../sql-reference/data-types/string.md)) — Идентификатор запроса.
+-   `trace` ([Array](../../sql-reference/data-types/array.md)([UInt64](../../sql-reference/data-types/int-uint.md))) — Трассировка стека в момент ошибки. Представляет собой список физических адресов, по которым расположены вызываемые методы.
+-   `trace_full` ([Array](../../sql-reference/data-types/array.md)([String](../../sql-reference/data-types/string.md))) — Трассировка стека в момент ошибки. Содержит вызываемые методы.
+-   `version` ([String](../../sql-reference/data-types/string.md)) — Версия сервера ClickHouse.
+-   `revision` ([UInt32](../../sql-reference/data-types/int-uint.md)) — Ревизия сборки сервера ClickHouse.
+-   `build_id` ([String](../../sql-reference/data-types/string.md)) — BuildID, сгенерированный компилятором.
+
+**Пример**
+
+Запрос:
+
+``` sql
+SELECT * FROM system.crash_log ORDER BY event_time DESC LIMIT 1;
+```
+
+Результат (приведён не полностью):
+
+``` text
+Row 1:
+──────
+event_date:   2020-10-14
+event_time:   2020-10-14 15:47:40
+timestamp_ns: 1602679660271312710
+signal:       11
+thread_id:    23624
+query_id:     428aab7c-8f5c-44e9-9607-d16b44467e69
+trace:        [188531193,...]
+trace_full:   ['3. DB::(anonymous namespace)::FunctionFormatReadableTimeDelta::executeImpl(std::__1::vector<DB::ColumnWithTypeAndName, std::__1::allocator<DB::ColumnWithTypeAndName> >&, std::__1::vector<unsigned long, std::__1::allocator<unsigned long> > const&, unsigned long, unsigned long) const @ 0xb3cc1f9 in /home/username/work/ClickHouse/build/programs/clickhouse',...]
+version:      ClickHouse 20.11.1.1
+revision:     54442
+build_id:     
+```
+
+**См. также**
+-   Системная таблица [trace_log](../../operations/system_tables/trace_log.md)
+
+[Original article](https://clickhouse.tech/docs/en/operations/system_tables/crash-log)