diff --git a/docs/en/sql-reference/aggregate-functions/reference/sum.md b/docs/en/sql-reference/aggregate-functions/reference/sum.md
index 320bb73f9ac..c6dc4e549dd 100644
--- a/docs/en/sql-reference/aggregate-functions/reference/sum.md
+++ b/docs/en/sql-reference/aggregate-functions/reference/sum.md
@@ -6,3 +6,7 @@ sidebar_position: 4
 # sum
 
 Calculates the sum. Only works for numbers.
+
+```
+SELECT sum(salary) FROM employees;
+```