Update README.md

README.md

@@ -66,9 +66,9 @@ A hybrid search and question-answering system for dog food products using BM25 a
 
 3. **User Interface**
    - Color-coded results by source:
-     - 🔵 Blue: BM25 results
-     - 🟢 Green: Vector results
-     - 🔄 Purple: Found by both sources
+     - Blue: BM25 results
+     - Green: Vector results
+     - Purple: Found by both sources
    - Detailed statistics display
    - Bilingual support (EN/ES)