Reformat description

Use a multi-line string, so it can be formatted more recognizably as
markdown.

app.py

@@ -285,7 +285,16 @@ lig = gradio.Interface(
 
 iface = gradio.Parallel(hila, lig,
                            title="RoBERTa Explainability",
-                        description="Quick comparison demo of explainability for sentiment prediction with RoBERTa. The outputs are from:\n\n* a version of [Hila Chefer's](https://github.com/hila-chefer) [Transformer-Explanability](https://github.com/hila-chefer/Transformer-Explainability/) but without the layerwise relevance propagation (as in [Transformer-MM_explainability](https://github.com/hila-chefer/Transformer-MM-Explainability/)) for a RoBERTa model.\n* [captum](https://captum.ai/)'s LayerIntegratedGradients",
+                        description="""
+Quick comparison demo of explainability for sentiment prediction with RoBERTa. The outputs are from:
+
+* a version of [Hila Chefer's](https://github.com/hila-chefer)
+  [Transformer-Explanability](https://github.com/hila-chefer/Transformer-Explainability/)
+  but without the layerwise relevance propagation (as in
+  [Transformer-MM_explainability](https://github.com/hila-chefer/Transformer-MM-Explainability/))
+  for a RoBERTa model.
+* [captum](https://captum.ai/)'s LayerIntegratedGradients
+""",
     examples=[
         [
             "This movie was the best movie I have ever seen! some scenes were ridiculous, but acting was great"