diff --git a/doc/src/sgml/ref/merge.sgml b/doc/src/sgml/ref/merge.sgml
index 31ba7a841d1..b2a9f67cfa9 100644
--- a/doc/src/sgml/ref/merge.sgml
+++ b/doc/src/sgml/ref/merge.sgml
@@ -41,7 +41,7 @@ and <replaceable class="parameter">merge_insert</replaceable> is
 
 INSERT [( <replaceable class="parameter">column_name</replaceable> [, ...] )]
 [ OVERRIDING { SYSTEM | USER } VALUE ]
-{ VALUES ( { <replaceable class="parameter">expression</replaceable> | DEFAULT } ) | DEFAULT VALUES }
+{ VALUES ( { <replaceable class="parameter">expression</replaceable> | DEFAULT } [, ...] ) | DEFAULT VALUES }
 
 and <replaceable class="parameter">merge_update</replaceable> is