Update README.md

README.md

@@ -25,7 +25,7 @@ ClinLinker-KB-GP is a state-of-the-art bi-encoder model for medical entity linki
 - **Evaluated On**: DisTEMIST, MedProcNER, SympTEMIST
 - **Users**: Researchers and practitioners working in clinical NLP
 
-## Performance Summary (Top-25 Accuracy)
+## 📈 Performance Summary (Top-25 Accuracy)
 
 | Model               | DisTEMIST | MedProcNER | SympTEMIST |
 |--------------------|-----------|------------|------------|
@@ -56,7 +56,7 @@ print(embedding.shape)
 
 For scalable retrieval, use [Faiss](https://github.com/facebookresearch/faiss) or the [`FaissEncoder`](https://github.com/ICB-UMA/KnowledgeGraph) class.
 
-## Limitations
+## ⚠️ Limitations
 - The model is optimized for Spanish clinical data and may underperform outside this domain.
 - Expert validation is advised in critical applications.