diff --git a/README.md b/README.md
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+++ b/README.md
@@ -147,7 +147,9 @@ Neural network code is modified from MathiasGruber's project [Partial Convolutio
 
 User interface code is modified from Packt's project [Tkinter GUI Application Development Blueprints - Second Edition](https://github.com/PacktPublishing/Tkinter-GUI-Application-Development-Blueprints-Second-Edition). [Tkinter GUI Application Development Blueprints - Second Edition](https://github.com/PacktPublishing/Tkinter-GUI-Application-Development-Blueprints-Second-Edition) is licensed under the MIT license.
 
-See [ACKNOWLEDGEMENTS.md](ACKNOWLEDGEMENTS.md) for full license text of these 3 projects.
+Data is modified from gwern's project [Danbooru2017: A Large-Scale Crowdsourced and Tagged Anime Illustration Dataset](https://www.gwern.net/Danbooru2017).
+
+See [ACKNOWLEDGEMENTS.md](ACKNOWLEDGEMENTS.md) for full license text of these projects.
 
 ## Donations
 If you like the work I do, you can donate to me via Paypal: [![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=SAM6C6DQRDBAE)
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