diff --git a/NOTICE b/NOTICE
new file mode 100644
index 00000000..0f13a070
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,4 @@
+argcomplete is a free open source library that integrates Python applications with Bash and Zsh shell completion.
+The argcomplete project is staffed by volunteers. If you are using this library in a for-profit project, please
+contribute to argcomplete development and maintenance using the "Sponsor" button on the argcomplete GitHub project page,
+https://github.com/kislyuk/argcomplete.