update description

app.py

@@ -50,7 +50,7 @@ description="""This space is a demo for the paper Detecting Unassimilated Borrow
 [An Annotated Corpus and Approaches to Modeling](https://arxiv.org/pdf/2203.16169.pdf)
 
 The goal of the underlying model is to detect foreign words, e.g. anglicisms, in spanish texts.
-In general it has two types of tags for foreign words: *ENG* and *OTHER*. The authors used BIO-tagging,
+In general it has two types of tags for foreign words: *ENG* and *OTHER*. The authors used [BIO-tagging](https://en.wikipedia.org/wiki/Inside%E2%80%93outside%E2%80%93beginning_(tagging)),
 which is why in practice you will see a *B-* or *I-* in front of the tags.
 """