diff --git a/README.md b/README.md
index f87e702..ddc5ccd 100644
--- a/README.md
+++ b/README.md
@@ -408,3 +408,9 @@ PRs welcome! The codebase is intentionally small and readable. 🤗
   <em> Thanks for visiting ✨ nanobot!</em><br><br>
   <img src="https://visitor-badge.laobi.icu/badge?page_id=HKUDS.nanobot&style=for-the-badge&color=00d4ff" alt="Views">
 </p>
+
+---
+
+<p align="center">
+  <sub>nanobot is for educational, research, and technical exchange purposes only</sub>
+</p>