diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml
index 711f7261724..f883a119a15 100644
--- a/doc/src/sgml/ref/select.sgml
+++ b/doc/src/sgml/ref/select.sgml
@@ -1857,8 +1857,7 @@ WITH t AS (
   )
 SELECT * FROM t
 UNION ALL
-SELECT * FROM t
-
+SELECT * FROM t;
          x          
 --------------------
   0.534150459803641