diff --git a/LICENSE.txt b/LICENSE.txt
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -10,8 +10,10 @@ permission notice:
        file:
    Copyright (c) 2008-2011 - msgpack-python
        file:licenses/msgpack_license.txt
+   Copyright (c) 2009 - tornado
+       file:licenses/tornado_license.txt
 
-Both licensed under the Apache License, Version 2.0 (the "License");
+All 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
 
diff --git a/licenses/tornado_license.txt b/licenses/tornado_license.txt
new file mode 100644
--- /dev/null
+++ b/licenses/tornado_license.txt
@@ -0,0 +1,13 @@
+# Copyright 2009 Facebook
+#
+# 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.