Update number of tweets

README.md

@@ -11,7 +11,7 @@ license: mit
 
 # Twitter-XLM-Roberta-large
 This is a XLM-T large language model specialised on Twitter. 
-The base model was the multilingual XLM-R and the model was then re-trained on tweets from many different languages until December 2022.
+The base model was the multilingual XLM-R and the model was then re-trained on over 1 billion tweets from different languages until December 2022.
 
 To evaluate this and other LMs on Twitter-specific data, please refer to the [XLM-T main repository](https://github.com/cardiffnlp/xlm-t).