*** a/doc/src/sgml/fdwhandler.sgml
--- b/doc/src/sgml/fdwhandler.sgml
***************
*** 1196,1204 **** GetForeignServerByName(const char *name, bool missing_ok);
  
      <para>
       <command>INSERT</> with an <literal>ON CONFLICT</> clause does not
!      support specifying the conflict target, as remote constraints are not
!      locally known. This in turn implies that <literal>ON CONFLICT DO
!      UPDATE</> is not supported, since the specification is mandatory there.
      </para>
  
     </sect1>
--- 1196,1205 ----
  
      <para>
       <command>INSERT</> with an <literal>ON CONFLICT</> clause does not
!      support specifying the conflict target, as unique constraints or
!      exclusion constraints on remote tables are not locally known. This
!      in turn implies that <literal>ON CONFLICT DO UPDATE</> is not supported,
!      since the specification is mandatory there.
      </para>
  
     </sect1>