diff --git a/docs/en/operations/system_tables.md b/docs/en/operations/system_tables.md
index 5eae7ecd544..36008cffdc6 100644
--- a/docs/en/operations/system_tables.md
+++ b/docs/en/operations/system_tables.md
@@ -251,6 +251,8 @@ Columns:
 - `value` ([Int64](../data_types/int_uint.md)) — Metric value.
 - `description` ([String](../data_types/string.md)) — Metric description.
 
+The list of supported metrics you can find in the [dbms/src/Common/CurrentMetrics.cpp](https://github.com/ClickHouse/ClickHouse/blob/master/dbms/src/Common/CurrentMetrics.cpp) source file of ClickHouse.
+
 **Example**
 
 ```sql