diff --git a/doc/src/sgml/advanced.sgml b/doc/src/sgml/advanced.sgml
index 3c067d5376..1e45511cc6 100644
--- a/doc/src/sgml/advanced.sgml
+++ b/doc/src/sgml/advanced.sgml
@@ -389,7 +389,9 @@ SELECT depname, empno, salary, avg(salary) OVER (PARTITION BY depname) FROM emps
order in which the rows are output.) Here is an example:
-SELECT depname, empno, salary, rank() OVER (PARTITION BY depname ORDER BY salary DESC) FROM empsalary;
+SELECT depname, empno, salary,
+ rank() OVER (PARTITION BY depname ORDER BY salary DESC)
+FROM empsalary;