diff -U3 /Users/admin/pgsql/src/test/regress/expected/copy2.out /Users/admin/pgsql/build/testrun/recovery/027_stream_regress/data/results/copy2.out
--- /Users/admin/pgsql/src/test/regress/expected/copy2.out	2024-12-02 00:43:12
+++ /Users/admin/pgsql/build/testrun/recovery/027_stream_regress/data/results/copy2.out	2024-12-02 00:45:50
@@ -800,12 +800,12 @@
 --fail
 COPY t_on_error_null FROM STDIN WITH (on_error set_to_null);
 ERROR:  failed to replace column containing erroneous data with null
-HINT:  Consider specifying the REJECT LIMIT option to skip erroneous rows.
+HINT:  Consider specifying the REJECT_LIMIT option to skip erroneous rows.
 CONTEXT:  COPY t_on_error_null, line 1, column a: "a"
 --fail
 COPY t_on_error_null FROM STDIN WITH (on_error set_to_null);
 ERROR:  failed to replace column containing erroneous data with null
-HINT:  Consider specifying the REJECT LIMIT option to skip erroneous rows.
+HINT:  Consider specifying the REJECT_LIMIT option to skip erroneous rows.
 CONTEXT:  COPY t_on_error_null, line 1, column a: "-1"
 --ok. Check interaction with REJECT LIMIT
 COPY t_on_error_null FROM STDIN WITH (on_error set_to_null, reject_limit 2);
@@ -835,7 +835,7 @@
 NOTICE:  failed to replace row attribute "l" with NULL at line 1.
 CONTEXT:  COPY check_ign_err2, line 1, column l: "'foooooooooooooooo'"
 ERROR:  failed to replace column containing erroneous data with null
-HINT:  Consider specifying the REJECT LIMIT option to skip erroneous rows.
+HINT:  Consider specifying the REJECT_LIMIT option to skip erroneous rows.
 CONTEXT:  COPY check_ign_err2, line 1, column l: "'foooooooooooooooo'"
 COPY check_ign_err2 FROM STDIN WITH (on_error set_to_null, reject_limit 2, log_verbosity verbose);
 NOTICE:  failed to replace row attribute "l" with NULL at line 1.