diff --git a/README.md b/README.md
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@@ -8,6 +8,8 @@ This repository contains essential resources for the Information Retrieval cours
 
 ### Notes
 
+1. [Unit 1 - Introduction, Basic Techniques and Token](Notes/Unit%201%20-%20Introduction%2C%20Basic%20Techniques%20and%20Token)
+
 ### Codes
 
 ### Practical