Update README.md

README.md

@@ -8,13 +8,15 @@ tags:
 ---
 
 ## Usage
-from sentence_transformers import SentenceTransformer, models
 
+```
+from sentence_transformers import SentenceTransformer, models
 embedding_model = models.Transformer("yobi/klue-roberta-base-sts")
 pooling_model = models.Pooling(
     embedding_model.get_word_embedding_dimension(),
     pooling_mode_mean_tokens=True,
 )
 model = SentenceTransformer(modules=[embedding_model,  pooling_model])
+model.encode("안녕하세요.", convert_to_tensor=True)
+```
 
-model.encode("안녕하세요.", convert_to_tensor=True)