diff --git a/README.md b/README.md
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@@ -143,7 +143,7 @@ If you aim to develop your software for SGB or GBC, or you want to know how it r
 
 ## Emulator Development
 
-- [Reverse Engineering fine details of Game Boy hardware](https://www.youtube.com/watch?v=GBYwjch6oEE) - 43 minutes talk by Gekkio given at Disobey 2018.
+- [Reverse Engineering fine details of Game Boy hardware](https://www.youtube.com/watch?v=GBYwjch6oEE) ([errata](https://gekkio.fi/blog/2018-02-05-errata-for-reverse-engineering-fine-details-of-game-boy-hardware.html)) - 43 minutes talk by Gekkio given at Disobey 2018.
 - [Blargg's test roms](http://gbdev.gg8.se/files/roms/blargg-gb-tests/)
 - [Gekkio's test roms](https://gekkio.fi/files/mooneye-gb/latest/)
 - [Building a Game Boy emulator in JavaScript](http://imrannazar.com/gameboy-Emulation-in-JavaScript) - Step by step tutorial.