diff --git a/users_comments.md b/users_comments.md
index c0165bd2..87170eb0 100644
--- a/users_comments.md
+++ b/users_comments.md
@@ -375,6 +375,11 @@ Thanks for your job! <br>I have learned a lot from it!
 
 ---
 
+Dear Atsushi Sakai, <br>Thank you so much for creating PythonRobotics and documenting it so well. I am a senior in high school trying to learn and better myself in these concepts.
+
+--Rohan Mathur
+
+
 
 # Citations