diff --git a/docs/en/sql-reference/statements/alter/update.md b/docs/en/sql-reference/statements/alter/update.md
index 5d27c382982..234812f6ed4 100644
--- a/docs/en/sql-reference/statements/alter/update.md
+++ b/docs/en/sql-reference/statements/alter/update.md
@@ -7,7 +7,7 @@ sidebar_label: UPDATE
 # ALTER TABLE … UPDATE Statements
 
 ``` sql
-ALTER TABLE [db.]table [ON CLUSTER cluster] UPDATE column1 = expr1 [, ...] WHERE filter_expr
+ALTER TABLE [db.]table [ON CLUSTER cluster] UPDATE column1 = expr1 [, ...] [IN PARTITION partition_id] WHERE filter_expr
 ```
 
 Manipulates data matching the specified filtering expression. Implemented as a [mutation](/docs/en/sql-reference/statements/alter/index.md#mutations).