diff --git a/users_comments.md b/users_comments.md
index 8e66ae9f..772b5774 100644
--- a/users_comments.md
+++ b/users_comments.md
@@ -363,6 +363,12 @@ Dear AtsushiSakai, thank you so much for this material, it's so useful to me, i'
 
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+Dear Atsushi Thanks for compiling such a vast resource for robotics motion planning.
+
+--Kartik Prakash
+
+---
+
 
 # Citations