diff --git a/synapse/crypto/__init__.py b/synapse/crypto/__init__.py
index 2216c0f1ca..9bff9ec169 100644
--- a/synapse/crypto/__init__.py
+++ b/synapse/crypto/__init__.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/crypto/context_factory.py b/synapse/crypto/context_factory.py
index 45958abbf5..f86bd19255 100644
--- a/synapse/crypto/context_factory.py
+++ b/synapse/crypto/context_factory.py
@@ -1,4 +1,18 @@
-from twisted.internet import reactor, ssl
+# Copyright 2014 OpenMarket Ltd
+#
+# 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.
+
+from twisted.internet import ssl
from OpenSSL import SSL
from twisted.internet._sslverify import _OpenSSLECCurve, _defaultCurveName
diff --git a/synapse/crypto/keyclient.py b/synapse/crypto/keyclient.py
index e615866b68..c11df5c529 100644
--- a/synapse/crypto/keyclient.py
+++ b/synapse/crypto/keyclient.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/crypto/keyserver.py b/synapse/crypto/keyserver.py
index 3d80a0e660..a23484dbae 100644
--- a/synapse/crypto/keyserver.py
+++ b/synapse/crypto/keyserver.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/crypto/resource/__init__.py b/synapse/crypto/resource/__init__.py
index 2216c0f1ca..9bff9ec169 100644
--- a/synapse/crypto/resource/__init__.py
+++ b/synapse/crypto/resource/__init__.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# 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/crypto/resource/key.py b/synapse/crypto/resource/key.py
index 6aecd2b95f..48d14b9f4a 100644
--- a/synapse/crypto/resource/key.py
+++ b/synapse/crypto/resource/key.py
@@ -1,5 +1,5 @@
# -*- coding: utf-8 -*-
-# Copyright 2014 matrix.org
+# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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