diff --git a/LIBRARY_DEVELOPMENT.rst b/LIBRARY_DEVELOPMENT.rst
index 65bc5cc8..b3f361d8 100644
--- a/LIBRARY_DEVELOPMENT.rst
+++ b/LIBRARY_DEVELOPMENT.rst
@@ -18,4 +18,3 @@ Adafruit libraries are not currently fully typed. If you would like to improve t
 
 .. _installing mypy: https://mypy.readthedocs.io/en/stable/getting_started.html#installing-and-running-mypy
 
-
diff --git a/LIBRARY_DEVELOPMENT.rst.license b/LIBRARY_DEVELOPMENT.rst.license
new file mode 100644
index 00000000..36fbc6f0
--- /dev/null
+++ b/LIBRARY_DEVELOPMENT.rst.license
@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2022 Dav Clark (@davclark)
+#
+# SPDX-License-Identifier: Unlicense