Update README.md

README.md

@@ -42,7 +42,7 @@ It achieves the following results on the evaluation set:
 
 ## Model description
 
-### Base Model Info.
+#### Base Model Info.
 DistilBERT is a transformers model, smaller and faster than BERT, which was pretrained on the same corpus in a
 self-supervised fashion, using the BERT base model as a teacher. This means it was pretrained on the raw texts only,
 with no humans labelling them in any way (which is why it can use lots of publicly available data) with an automatic