diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index 9f6303266f..ba03e8aa8f 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -1119,6 +1119,7 @@ AddNewRelationType(const char *typeName,
  *	reltypeid: OID to assign to rel's rowtype, or InvalidOid to select one
  *	reloftypeid: if a typed table, OID of underlying type; else InvalidOid
  *	ownerid: OID of new rel's owner
+ *	accessmtd: OID of new rel's access method
  *	tupdesc: tuple descriptor (source of column definitions)
  *	cooked_constraints: list of precooked check constraints and defaults
  *	relkind: relkind for new rel
