Add missing parenthesis in features documentation (#17869)

Author: Viicos

docs/source/user-guide/features.md

@@ -43,7 +43,7 @@
 - [x] Filter (`WHERE`)
 - [x] Filter post-aggregate (`HAVING`)
 - [x] Sorting (`ORDER BY`)
-- [x] Limit (`LIMIT`
+- [x] Limit (`LIMIT`)
 - [x] Aggregate (`GROUP BY`)
 - [x] cast /try_cast
 - [x] [`VALUES` lists](https://www.postgresql.org/docs/current/queries-values.html)