diff --git a/packages/core/src/runtime/quasivalue.ts b/packages/core/src/runtime/quasivalue.ts
index c98e6a1..93cb5e7 100644
--- a/packages/core/src/runtime/quasivalue.ts
+++ b/packages/core/src/runtime/quasivalue.ts
@@ -1,3 +1,6 @@
+/// SPDX-License-Identifier: GPL-3.0-or-later
+/// SPDX-FileCopyrightText: Copyright © 2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
+
 import { AnyValue, Ref } from './actor.js';
 import { Pattern, fromPattern } from '../gen/dataspacePatterns.js';
 import * as P from './pattern.js';
diff --git a/packages/core/src/schemas.ts b/packages/core/src/schemas.ts
index 1e5cb08..0a181d3 100644
--- a/packages/core/src/schemas.ts
+++ b/packages/core/src/schemas.ts
@@ -1,3 +1,6 @@
+/// SPDX-License-Identifier: GPL-3.0-or-later
+/// SPDX-FileCopyrightText: Copyright © 2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
+
 export * as dataspacePatterns from './gen/dataspacePatterns.js';
 export * as dataspace from './gen/dataspace.js';
 export * as gatekeeper from './gen/gatekeeper.js';