Update README.md

README.md

@@ -155,7 +155,7 @@ Our final models were trained on a different number of steps and sequence length
 
 <figure>
 
-<caption>Table 1. Evaluation made by the Barcelona Supercomputing Center of their models and BERTIN (beta, seq len 128), from their [preprint](https://arxiv.org/pdf/2107.07253.pdf).</caption>
+<caption>Table 1. Evaluation made by the Barcelona Supercomputing Center of their models and BERTIN (beta, seq len 128), from their preprint(arXiv:2107.07253).</caption>
 
 | Dataset     | Metric   | RoBERTa-b | RoBERTa-l | BETO   | mBERT  | BERTIN |
 |-------------|----------|-----------|-----------|--------|--------|--------|
@@ -187,7 +187,7 @@ All of our models attained good accuracy values during training in the masked-la
 
 </figure>
 
-###Downstream Tasks
+### Downstream Tasks
 
 We are currently in the process of applying our language models to downstream tasks.
 For simplicity, we will abbreviate the different models as follows: