diff --git a/LICENSE.md b/LICENSE.md
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+# License
+
+## Original Content
+
+
+This project is based on the System Design Primer by Donne Martin, 
+licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0)[https://creativecommons.org/licenses/by/4.0/]. 
+
+You are free to:
+
+- **Share**: Copy and redistribute the material in any medium or format.
+- **Adapt**: Remix, transform, and build upon the material for any purpose, even commercially.
+
+Under the following terms:
+
+- **Attribution**: You must give appropriate credit, provide a link to the license, and indicate if changes were made.
+
+All modifications and additions in [System Design Primer Update](https://github.com/ido777/system-design-primer-update) are made in the spirit of open collaboration and innovation and for now are licensed under the same license as the original content but this might change in the future.
+
+
+
+
+
diff --git a/LICENSE.txt b/LICENSE.txt
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-I am providing code and resources in this repository to you under an open source
-license.  Because this is my personal repository, the license you receive to my
-code and resources is from me and not my employer (Facebook).
-
-Copyright 2017 Donne Martin
-
-Creative Commons Attribution 4.0 International License (CC BY 4.0)
-
-http://creativecommons.org/licenses/by/4.0/