Update the license header for every source file, as well as the documentation.
Fixes #1209
diff --git a/docs/development/submitting-patches.rst b/docs/development/submitting-patches.rst
index 54005d2..ff650c4 100644
--- a/docs/development/submitting-patches.rst
+++ b/docs/development/submitting-patches.rst
@@ -25,7 +25,14 @@
`Write comments as complete sentences.`_
-Every code file must start with the boilerplate notice of the Apache License.
+Every code file must start with the boilerplate licensing notice:
+
+.. code-block:: python
+
+ # This file is dual licensed under the terms of the Apache License, Version
+ # 2.0, and the BSD License. See the LICENSE file in the root of this repository
+ # for complete details.
+
Additionally, every Python code file must contain
.. code-block:: python