diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..c0f2449
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,10 @@
+http-message-signatures is a free open source implementation of the
+IETF HTTP Message Signatures standard, RFC 9421. This project is
+staffed by volunteers. If you are using http-message-signatures in a
+for-profit project, please contribute to its development and
+maintenance using the "Sponsor" button on the GitHub project page,
+https://github.com/pyauth/http-message-signatures. If you are looking
+for support with commercial applications based on
+http-message-signatures, please donate and contact its developers
+using the issue tracker on the http-message-signatures project page or
+the contact information listed in README.rst.
diff --git a/README.rst b/README.rst
index 8d7a125..275adb8 100644
--- a/README.rst
+++ b/README.rst
@@ -2,7 +2,7 @@ http-message-signatures: An implementation of RFC 9421, the IETF HTTP Message Si
=================================================================================================
*http-message-signatures* is an implementation of the IETF
-`RFC 9421 HTTP Message Signatures `_ draft standard in
+`RFC 9421 HTTP Message Signatures `_ standard in
Python.
Installation
@@ -74,7 +74,7 @@ digest etc.)
Authors
-------
-* Andrey Kislyuk
+* `Andrey Kislyuk `
Links
-----
@@ -91,4 +91,7 @@ Please report bugs, issues, feature requests, etc. on `GitHub `_.
+Copyright 2017-2024, Andrey Kislyuk and http-message-signatures contributors. Licensed under the terms of the
+`Apache License, Version 2.0 `_. Distribution of attribution information,
+LICENSE and NOTICE files with source copies of this package and derivative works is **REQUIRED** as specified by the
+Apache License.