diff --git a/docs/en/data_types/nested_data_structures/aggregatefunction.md b/docs/en/data_types/nested_data_structures/aggregatefunction.md
index c1977abbf22..057058ef6a7 100644
--- a/docs/en/data_types/nested_data_structures/aggregatefunction.md
+++ b/docs/en/data_types/nested_data_structures/aggregatefunction.md
@@ -40,7 +40,7 @@ uniqState(UserID)
 quantilesState(0.5, 0.9)(SendTiming)
 ```
 
-In contrast to the corresponding functions `uniq` and `quantiles`, `-State`- functions return the state, instead the final value. In other words, they return a value of `AggregateFunction` type .
+In contrast to the corresponding functions `uniq` and `quantiles`, `-State`- functions return the state, instead the final value. In other words, they return a value of `AggregateFunction` type.
 
 In the results of `SELECT` query the values of  `AggregateFunction` type have implementation-specific binary representation for all of the ClickHouse output formats. If dump data into, for example, `TabSeparated`  format with `SELECT`  query  then this dump can be loaded back using `INSERT` query.