Update app.py

app.py

@@ -193,7 +193,7 @@ async def run_function_on_text(top_k,study_obj,study_type,phase,purpose,allocati
 
         formatted_trial = [
             n,
-            f'<a href="https://clinicaltrials.gov/study/{nct_id}">{nct_id}</a>',
+            f'<a href="https://clinicaltrials.gov/study/{nct_id}"><u>{nct_id}</u></a>',
             study_name,
             condition,
             intervention