diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/triggers.out /tmp/cirrus-ci-build/src/bin/pg_upgrade/tmp_check/results/triggers.out
--- /tmp/cirrus-ci-build/src/test/regress/expected/triggers.out	2024-12-23 16:01:18.211816713 +0000
+++ /tmp/cirrus-ci-build/src/bin/pg_upgrade/tmp_check/results/triggers.out	2024-12-23 16:06:10.195110588 +0000
@@ -3737,7 +3737,7 @@
 referencing new table as new_table
 for each statement execute function make_matview();
 insert into my_table values (42);
-ERROR:  transition tables cannot be used in rule
+ERROR:  transition table cannot be used in rule
 CONTEXT:  SQL statement "create materialized view mv as select * from new_table"
 PL/pgSQL function make_matview() line 1 at SQL statement
 drop table my_table;