diff --git a/README.md b/README.md
index 9ad0d79..d79ed1d 100644
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+++ b/README.md
@@ -2,4 +2,7 @@
 
 Learning the SDL2 from scratch, learning to make a game engine in C
 
-Following this tutorial: https://www.youtube.com/watch?v=WficzyoTSsg
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+Following this tutorial: https://www.youtube.com/watch?v=WficzyoTSsg
+
+## credits
+SDL: https://github.com/libsdl-org/SDL
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