diff --git a/doc/src/sgml/ref/insert.sgml b/doc/src/sgml/ref/insert.sgml
index 5a21c131270..e710cf4091b 100644
--- a/doc/src/sgml/ref/insert.sgml
+++ b/doc/src/sgml/ref/insert.sgml
@@ -482,8 +482,7 @@ INSERT INTO <replaceable class="PARAMETER">table_name</replaceable> [ AS <replac
     row more than once; a cardinality violation error will be raised
     when this situation arises.  Rows proposed for insertion should
     not duplicate each other in terms of attributes constrained by an
-    arbiter index or constraint.  Note that exclusion constraints are
-    not supported with <literal>ON CONFLICT DO UPDATE</literal>.
+    arbiter index or constraint.
    </para>
    <tip>
     <para>