diff --git a/synapse/config/tracer.py b/synapse/config/tracer.py
index 9df9f9c64e..f05c44aa7b 100644
--- a/synapse/config/tracer.py
+++ b/synapse/config/tracer.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2018 New Vector Ltd
+# Copyright 2019 The Matrix.org Foundation C.I.C.d
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/synapse/util/scopecontextmanager.py b/synapse/util/scopecontextmanager.py
index 905a1b319b..abcabf0fca 100644
--- a/synapse/util/scopecontextmanager.py
+++ b/synapse/util/scopecontextmanager.py
@@ -1,3 +1,18 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 The Matrix.org Foundation C.I.C.d
+#
+# 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.import logging
+
 import logging
 
 from opentracing import Scope, ScopeManager
diff --git a/synapse/util/tracerutils.py b/synapse/util/tracerutils.py
index f4fc96b445..5ba4cfe38a 100644
--- a/synapse/util/tracerutils.py
+++ b/synapse/util/tracerutils.py
@@ -1,3 +1,18 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 The Matrix.org Foundation C.I.C.d
+#
+# 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.import opentracing
+
 import opentracing
 from opentracing.propagation import Format