diff --git a/docs/en/engines/table-engines/special/generate.md b/docs/en/engines/table-engines/special/generate.md
index 77d90082ddc..714afe3c3b5 100644
--- a/docs/en/engines/table-engines/special/generate.md
+++ b/docs/en/engines/table-engines/special/generate.md
@@ -15,7 +15,7 @@ Usage examples:
 ## Usage in ClickHouse Server {#usage-in-clickhouse-server}
 
 ``` sql
-ENGINE = GenerateRandom([random_seed] [,max_string_length] [,max_array_length])
+ENGINE = GenerateRandom([random_seed [,max_string_length [,max_array_length]]])
 ```
 
 The `max_array_length` and `max_string_length` parameters specify maximum length of all