diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml
index 5df0d89b54b..69056a84c37 100644
--- a/doc/src/sgml/ref/select.sgml
+++ b/doc/src/sgml/ref/select.sgml
@@ -1918,8 +1918,7 @@ WITH t AS (
   )
 SELECT * FROM t
 UNION ALL
-SELECT * FROM t
-
+SELECT * FROM t;
          x
 --------------------
   0.534150459803641