diff --git a/cmd/dendrite-p2p-demo/mdnslistener.go b/cmd/dendrite-p2p-demo/mdnslistener.go
index 40b2c5410..3fefbec2c 100644
--- a/cmd/dendrite-p2p-demo/mdnslistener.go
+++ b/cmd/dendrite-p2p-demo/mdnslistener.go
@@ -1,3 +1,17 @@
+// Copyright 2020 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package main
 
 import (
diff --git a/cmd/dendrite-p2p-demo/p2pdendrite.go b/cmd/dendrite-p2p-demo/p2pdendrite.go
index 9c2d73c5c..314b0c4b7 100644
--- a/cmd/dendrite-p2p-demo/p2pdendrite.go
+++ b/cmd/dendrite-p2p-demo/p2pdendrite.go
@@ -1,3 +1,17 @@
+// Copyright 2020 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package main
 
 import (
diff --git a/cmd/dendrite-p2p-demo/storage/storage.go b/cmd/dendrite-p2p-demo/storage/storage.go
index 768f26a78..9cd8c403b 100644
--- a/cmd/dendrite-p2p-demo/storage/storage.go
+++ b/cmd/dendrite-p2p-demo/storage/storage.go
@@ -1,3 +1,17 @@
+// Copyright 2020 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package storage
 
 import (