Update README.md

README.md

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+---
+license: cc
+language:
+- en
+tags:
+- social_science
+pretty_name: BTI Index
+---
 # Transformation Index (BTI) Dataset — ARAC International
 
 ## Overview
@@ -76,4 +84,4 @@ When referencing this repository, please acknowledge:
 ---
 
 ## License
-The BTI data is © Bertelsmann Stiftung. Redistribution in this repository is for educational, research, and analytical purposes under fair-use principles. Always cite the original source.  
+The BTI data is © Bertelsmann Stiftung. Redistribution in this repository is for educational, research, and analytical purposes under fair-use principles. Always cite the original source.