diff --git a/Day_002_Core_Data_Processing.md b/Day_002_Core_Data_Processing.md
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--- a/Day_002_Core_Data_Processing.md
+++ b/Day_002_Core_Data_Processing.md
@@ -1,3 +1,5 @@
+# 📅 Day 2 — Core Data Processing with Python
+
 ## 🎯 Goal
 Transform raw data into structured, insightful information using Python.