diff --git a/README.md b/README.md
index 25449775..c026c54a 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,8 @@ You can load this project as an unpacked extension. Make sure to rename the `con
 
 The awesome [Invidious API](https://github.com/omarroth/invidious/wiki/API) is used to grab the time the video was published.
 
+Original code from https://github.com/OfficialNoob/YTSponsorSkip, but not much of the code is left.
+
 Some icons made by <a href="https://www.flaticon.com/authors/gregor-cresnar" title="Gregor Cresnar">Gregor Cresnar</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a> and are licensed by <a href="http://creativecommons.org/licenses/by/3.0/" title="Creative Commons BY 3.0" target="_blank">CC 3.0 BY</a>
 
 Some icons made by <a href="https://www.flaticon.com/authors/freepik" title="Freepik">Freepik</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a> are licensed by <a href="http://creativecommons.org/licenses/by/3.0/" title="Creative Commons BY 3.0" target="_blank">CC 3.0 BY</a>