diff --git a/src/bin/pg_upgrade/check.c b/src/bin/pg_upgrade/check.c
index 65ced1289e..56e313f562 100644
--- a/src/bin/pg_upgrade/check.c
+++ b/src/bin/pg_upgrade/check.c
@@ -1133,7 +1133,7 @@ check_for_composite_data_type_usage(ClusterInfo *cluster)
 	if (found)
 	{
 		pg_log(PG_REPORT, "fatal");
-		pg_fatal("Your installation contains system-defined composite type(s) in user tables.\n"
+		pg_fatal("Your installation contains system-defined composite types in user tables.\n"
 				 "These type OIDs are not stable across PostgreSQL versions,\n"
 				 "so this cluster cannot currently be upgraded.  You can\n"
 				 "drop the problem columns and restart the upgrade.\n"