diff --git a/README.md b/README.md
index c5507ed..cd4257b 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ TODO: Add Rune Madsens
 [Generative Art]() - .
 Book of Shaders - https://thebookofshaders.com/
 http://pixelshaders.com/proposal/
+http://www.scratchapixel.com/
 
 
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