diff --git a/README.md b/README.md
index 0236c60..45f832c 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ But knowing the stuff will help you become better! :muscle:*
 
 ### Introduction
 - :movie_camera: [Map of Computer Science](https://www.youtube.com/watch?v=SzJ46YA_RaA)
-- :scroll: [40 Key Computer Science Concepts Explained In Layman’s Terms](https://www.scribd.com/document/333048091/40-Key-Computer-Science-Concepts-Explained-in-Layman-Terms)
+- :movie_camera: [40 Key Computer Science Concepts Explained In Layman’s Terms](http://carlcheo.com/compsci)
 - :page_facing_up: [Computer Science Roadmap](https://roadmap.sh/computer-science)
 
 ### Falsehoods