fix examples

app.py

@@ -30,7 +30,9 @@ interface = gr.Interface(
     inputs=gr.Textbox(lines=5, label="Input Text"),
     outputs=gr.Textbox(label="Model Output"),
     title="Anaphora resolution demo",
-    description="",
+    description="""Enter text into the \"Input Text\" box, include <ana> </ana> tags around the anaphora 
+which is to be resolved. The model generates a copy of the text with <ant> </ant> tags marking the 
+predicted antecedent. This demo uses the model based on the mT5 base size model""",
     theme="default",
     examples=examples
 )