Remove doc mention about read committed in upsert example.

diff --git a/doc/src/sgml/plpgsql.sgml b/doc/src/sgml/plpgsql.sgml
index d2e74dca81e2d5c8d06f9e887fc4fcf931fed05d..d0672bbc89aa09fdc78e8808bdd4c39a74710020 100644 (file)
--- a/doc/src/sgml/plpgsql.sgml
+++ b/doc/src/sgml/plpgsql.sgml
@@ -2476,8 +2476,7 @@ SELECT merge_db(1, 'dennis');
 
      This example assumes the unique_violation error is caused by
      the INSERT, and not by an INSERT trigger function
-     on the table.  Also, this example only works in the default Read
-     Committed transaction mode.
+     on the table.