Update README.md

README.md

@@ -1,8 +1,8 @@
 # Twitter-XLM-Roberta-base
-This is a XLM-Roberta-base model trained on ~198M multilingual tweets, described and evaluated in the [reference paper](https://arxiv.org/abs/2104.12250). To evaluate this and other LMs on Twitter-specific data, please refer to the [main repository](https://github.com/cardiffnlp/xlm-t).
+This is a XLM-Roberta-base model trained on ~198M multilingual tweets, described and evaluated in the [reference paper](https://arxiv.org/abs/2104.12250). To evaluate this and other LMs on Twitter-specific data, please refer to the [main repository](https://github.com/cardiffnlp/xlm-t). A usage example is provided below.
+
+## Computing tweet similarity
 
-## Preprocess Text 
-Replace usernames and links for placeholders: "@user" and "http".
 ```python
 def preprocess(text):
     new_text = []