diff --git a/users_comments.md b/users_comments.md
index d2cd824d..a495c8c5 100644
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@@ -16,3 +16,9 @@ Dear AtsushiSakai, <br>WE found your project from google when first searching fo
 --Hanlin(Julia) Chen, MCity Apollo team
 
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+
+Dear Atsushi Sakai, <br> <br>With your simplistic descriptions in text and as gifs, i was able to help my students understand easily and effectively, I would be honored to help, in anyway towards this, As a hobbyist have been developing lidar based slam navigation systems from 2011 and its only right to acknowledge and thank you for your contributions.
+
+--Shiva
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