diff --git a/README.md b/README.md
index ffc4b7d..e12db56 100644
--- a/README.md
+++ b/README.md
@@ -18,3 +18,5 @@ In this project, I use Julia v1.5.1 and the following library
 ## Note
 
 I write a [blog post](http://tndoan.com/2020/12/25/lessons-learned-from-islr/) to summarize the lessons that I learn after doing this project.
+
+This repo is for 2nd Edition of ISLR: https://github.com/compleathorseplayer/ISLR-labs-in-Julia. I am not the author of this repo. The author sent it to me.