Update README.md

README.md

@@ -33,14 +33,14 @@ from promcse import PromCSE
 model = PromCSE("hellonlp/promcse-roberta-base-zh", "cls", 10)
 ```
 
-Then you can use our model for **encoding sentences into embeddings**
+Then you can use our model for encoding sentences into embeddings
 ```python
 embeddings = model.encode("武汉是一个美丽的城市。")
 print(embeddings.shape)
 #torch.Size([768])
 ```
 
-**Compute the cosine similarities** between two groups of sentences
+Compute the cosine similarities between two groups of sentences
 ```python
 sentences_a = ['你好吗']
 sentences_b = ['你怎么样','我吃了一个苹果','你过的好吗','你还好吗','你',