diff --git a/src/backend/commands/trigger.c b/src/backend/commands/trigger.c
index 1b1193997b..6b9cc16603 100644
--- a/src/backend/commands/trigger.c
+++ b/src/backend/commands/trigger.c
@@ -245,7 +245,7 @@ CreateTriggerFiringOn(CreateTrigStmt *stmt, const char *queryString,
 						(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
 						 errmsg("\"%s\" is a partitioned table",
 								RelationGetRelationName(rel)),
-						 errdetail("Triggers on partitioned tables cannot have transition tables.")));
+						 errdetail("ROW triggers with transition tables are not supported on partitioned tables.")));
 		}
 	}
 	else if (rel->rd_rel->relkind == RELKIND_VIEW)
diff --git a/src/test/regress/expected/triggers.out b/src/test/regress/expected/triggers.out
index 2162bf571d..9766c0f325 100644
--- a/src/test/regress/expected/triggers.out
+++ b/src/test/regress/expected/triggers.out
@@ -2020,7 +2020,7 @@ create trigger failed after update on parted_trig
   referencing old table as old_table
   for each row execute procedure trigger_nothing();
 ERROR:  "parted_trig" is a partitioned table
-DETAIL:  Triggers on partitioned tables cannot have transition tables.
+DETAIL:  ROW triggers with transition tables are not supported on partitioned tables.
 drop table parted_trig;
 --
 -- Verify trigger creation for partitioned tables, and drop behavior