Update app.py

app.py

@@ -312,7 +312,7 @@ interventions_place_holder = f"""Example:
    - Placebo tablet
 """
 
-prefilled_value = f"""[Clinicaltrials.gov }](https://clinicaltrials.gov/) """
+prefilled_value = f"""[Clinicaltrials.gov](https://clinicaltrials.gov/) """
 
 with gr.Blocks() as demo: