diff --git a/docs/en/query_language/functions/date_time_functions.md b/docs/en/query_language/functions/date_time_functions.md
index 7e6b9b31cf5..3b64a671a06 100644
--- a/docs/en/query_language/functions/date_time_functions.md
+++ b/docs/en/query_language/functions/date_time_functions.md
@@ -74,7 +74,7 @@ toUnixTimestamp(datetime[, timezone])
 
 **Parameters**
 
-- `datetime` — Date with time. [DateTime](../../data_types/datetime.md#data_type-datetime).
+- `datetime` — Date with time. [String](../../data_types/string.md).
 - `timezone` — Optional time zone argument. [String](../../data_types/string.md).
 
 **Returned value**
diff --git a/docs/ru/query_language/functions/date_time_functions.md b/docs/ru/query_language/functions/date_time_functions.md
index 626244c0bde..752a3083cf5 100644
--- a/docs/ru/query_language/functions/date_time_functions.md
+++ b/docs/ru/query_language/functions/date_time_functions.md
@@ -55,7 +55,7 @@ toUnixTimestamp(datetime[, timezone])
 
 **Параметры**
 
-- `datetime` — Дата с временем. [DateTime](../../data_types/datetime.md#data_type-datetime).
+- `datetime` — Дата с временем. [String](../../data_types/string.md).
 - `timezone` — Опциональный параметр. Часовой пояс. [String](../../data_types/string.md).
 
 **Возвращаемое значение**