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2 changes: 1 addition & 1 deletion src/current/v26.2/select-clause.md
Original file line number Diff line number Diff line change
Expand Up @@ -350,7 +350,7 @@ You can use `FILTER (WHERE <Boolean expression>)` in the `target_elem` to filter

#### Create aggregate groups

Instead of performing aggregate functions on an the entire set of retrieved rows, you can split the rows into groups and then perform the aggregate function on each of them.
Instead of performing aggregate functions on the entire set of retrieved rows, you can split the rows into groups and then perform the aggregate function on each of them.

When creating aggregate groups, each column selected as a `target_elem` must be included in a `GROUP BY` clause.

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